add -fvisibility=hidden to CC flags, mark XXX_main functions
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so

diff --git a/Makefile.flags b/Makefile.flags
index 243f095..c023299 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -56,10 +56,13 @@
 CFLAGS += $(call cc-option,-g)
 endif
 
+ifeq ($(CONFIG_BUILD_LIBBUSYBOX),y)
 # on i386: 14% smaller libbusybox.so
 # (code itself is 9% bigger, we save on relocs/PLT/GOT)
-ifeq ($(CONFIG_BUILD_LIBBUSYBOX),y)
 CFLAGS += -fpic
+# and another 4% reduction of libbusybox.so:
+# (external entry points must be marked EXTERNALLY_VISIBLE)
+CFLAGS += $(call cc-option,-fvisibility=hidden)
 endif
 
 ifeq ($(CONFIG_STATIC),y)
diff --git a/applets/applets.c b/applets/applets.c
index bbf150c..1950cf3 100644
--- a/applets/applets.c
+++ b/applets/applets.c
@@ -24,6 +24,6 @@
 #if ENABLE_BUILD_LIBBUSYBOX
 int main(int argc, char **argv)
 {
-	return libbusybox_main(argc, argv);
+	return lbb_main(argc, argv);
 }
 #endif
diff --git a/archival/ar.c b/archival/ar.c
index cbe4d8e..0a95e5c 100644
--- a/archival/ar.c
+++ b/archival/ar.c
@@ -37,7 +37,7 @@
 #define AR_OPT_CREATE		0x20
 #define AR_OPT_INSERT		0x40
 
-int ar_main(int argc, char **argv);
+int ar_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ar_main(int argc, char **argv)
 {
 	static const char msg_unsupported_err[] ALIGN1 =
diff --git a/archival/bbunzip.c b/archival/bbunzip.c
index e106bf0..61b5e39 100644
--- a/archival/bbunzip.c
+++ b/archival/bbunzip.c
@@ -158,7 +158,7 @@
 	return unpack_bz2_stream(STDIN_FILENO, STDOUT_FILENO);
 }
 
-int bunzip2_main(int argc, char **argv);
+int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int bunzip2_main(int argc, char **argv)
 {
 	getopt32(argv, "cf");
@@ -256,7 +256,7 @@
 	return status;
 }
 
-int gunzip_main(int argc, char **argv);
+int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int gunzip_main(int argc, char **argv)
 {
 	getopt32(argv, "cfvdt");
@@ -294,7 +294,7 @@
 	return unpack_lzma_stream(STDIN_FILENO, STDOUT_FILENO);
 }
 
-int unlzma_main(int argc, char **argv);
+int unlzma_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unlzma_main(int argc, char **argv)
 {
 	getopt32(argv, "cf");
@@ -336,7 +336,7 @@
 	return status;
 }
 
-int uncompress_main(int argc, char **argv);
+int uncompress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uncompress_main(int argc, char **argv)
 {
 	getopt32(argv, "cf");
diff --git a/archival/cpio.c b/archival/cpio.c
index 9188e09..59ae60c 100644
--- a/archival/cpio.c
+++ b/archival/cpio.c
@@ -22,7 +22,7 @@
 #define CPIO_OPT_CREATE_LEADING_DIR     0x20
 #define CPIO_OPT_PRESERVE_MTIME         0x40
 
-int cpio_main(int argc, char **argv);
+int cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cpio_main(int argc, char **argv)
 {
 	archive_handle_t *archive_handle;
diff --git a/archival/dpkg.c b/archival/dpkg.c
index 337576c..27512eb 100644
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -1557,7 +1557,7 @@
 	set_status(status_num, "installed", 3);
 }
 
-int dpkg_main(int argc, char **argv);
+int dpkg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dpkg_main(int argc, char **argv)
 {
 	deb_file_t **deb_file = NULL;
diff --git a/archival/dpkg_deb.c b/archival/dpkg_deb.c
index 9781b54..e1d2cd0 100644
--- a/archival/dpkg_deb.c
+++ b/archival/dpkg_deb.c
@@ -13,7 +13,7 @@
 #define DPKG_DEB_OPT_EXTRACT	8
 #define DPKG_DEB_OPT_EXTRACT_VERBOSE	16
 
-int dpkg_deb_main(int argc, char **argv);
+int dpkg_deb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dpkg_deb_main(int argc, char **argv)
 {
 	archive_handle_t *ar_archive;
diff --git a/archival/gzip.c b/archival/gzip.c
index cabcc5e..bc7502e 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -2025,7 +2025,7 @@
 	return 0;
 }
 
-int gzip_main(int argc, char **argv);
+int gzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int gzip_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/archival/rpm.c b/archival/rpm.c
index 0b7741a..f078aea 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -80,7 +80,7 @@
 static void fileaction_setowngrp(char *filename, int fileref);
 static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
 
-int rpm_main(int argc, char **argv);
+int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rpm_main(int argc, char **argv)
 {
 	int opt = 0, func = 0, rpm_fd, offset;
diff --git a/archival/rpm2cpio.c b/archival/rpm2cpio.c
index fe71e98..329f8f7 100644
--- a/archival/rpm2cpio.c
+++ b/archival/rpm2cpio.c
@@ -49,7 +49,7 @@
 }
 
 /* No getopt required */
-int rpm2cpio_main(int argc, char **argv);
+int rpm2cpio_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rpm2cpio_main(int argc, char **argv)
 {
 	struct rpm_lead lead;
diff --git a/archival/tar.c b/archival/tar.c
index 18b6267..3fe1886 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -769,7 +769,7 @@
 	;
 #endif
 
-int tar_main(int argc, char **argv);
+int tar_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tar_main(int argc, char **argv)
 {
 	char (*get_header_ptr)(archive_handle_t *) = get_header_tar;
diff --git a/archival/unzip.c b/archival/unzip.c
index 21d4c25..bd113af 100644
--- a/archival/unzip.c
+++ b/archival/unzip.c
@@ -93,7 +93,7 @@
 	return 0;
 }
 
-int unzip_main(int argc, char **argv);
+int unzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int unzip_main(int argc, char **argv)
 {
 	zip_header_t zip_header;
diff --git a/console-tools/chvt.c b/console-tools/chvt.c
index b1f81a2..8390c60 100644
--- a/console-tools/chvt.c
+++ b/console-tools/chvt.c
@@ -15,7 +15,7 @@
 	VT_WAITACTIVE = 0x5607  /* wait for vt active */
 };
 
-int chvt_main(int argc, char **argv);
+int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chvt_main(int argc, char **argv)
 {
 	int fd, num;
diff --git a/console-tools/clear.c b/console-tools/clear.c
index 3c7d704..769ce31 100644
--- a/console-tools/clear.c
+++ b/console-tools/clear.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int clear_main(int argc, char **argv);
+int clear_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int clear_main(int argc, char **argv)
 {
 	return printf("\033[H\033[J") != 6;
diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c
index bf2bac1..48783fb 100644
--- a/console-tools/deallocvt.c
+++ b/console-tools/deallocvt.c
@@ -15,7 +15,7 @@
 /* From <linux/vt.h> */
 enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */
 
-int deallocvt_main(int argc, char **argv);
+int deallocvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int deallocvt_main(int argc, char **argv)
 {
 	/* num = 0 deallocate all unused consoles */
diff --git a/console-tools/dumpkmap.c b/console-tools/dumpkmap.c
index a606d56..40b58f7 100644
--- a/console-tools/dumpkmap.c
+++ b/console-tools/dumpkmap.c
@@ -22,7 +22,7 @@
 #define NR_KEYS 128
 #define MAX_NR_KEYMAPS 256
 
-int dumpkmap_main(int argc, char **argv);
+int dumpkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dumpkmap_main(int argc, char **argv)
 {
 	struct kbentry ke;
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c
index 6b4dcb4..882b881 100644
--- a/console-tools/loadfont.c
+++ b/console-tools/loadfont.c
@@ -166,7 +166,7 @@
 	do_loadfont(fd, inbuf + offset, unit, 256);
 }
 
-int loadfont_main(int argc, char **argv);
+int loadfont_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int loadfont_main(int argc, char **argv)
 {
 	int fd;
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c
index 4a726f9..40885ee 100644
--- a/console-tools/loadkmap.c
+++ b/console-tools/loadkmap.c
@@ -25,7 +25,7 @@
 #define NR_KEYS         128
 #define MAX_NR_KEYMAPS  256
 
-int loadkmap_main(int argc, char **argv);
+int loadkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int loadkmap_main(int argc, char **argv)
 {
 	struct kbentry ke;
diff --git a/console-tools/openvt.c b/console-tools/openvt.c
index c050ba1..ff16953 100644
--- a/console-tools/openvt.c
+++ b/console-tools/openvt.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int openvt_main(int argc, char **argv);
+int openvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int openvt_main(int argc, char **argv)
 {
 	char vtname[sizeof(VC_FORMAT) + 2];
diff --git a/console-tools/reset.c b/console-tools/reset.c
index deffe286..bb096cf 100644
--- a/console-tools/reset.c
+++ b/console-tools/reset.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int reset_main(int argc, char **argv);
+int reset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int reset_main(int argc, char **argv)
 {
 	if (isatty(1)) {
diff --git a/console-tools/resize.c b/console-tools/resize.c
index 32551b2..b4cdf50 100644
--- a/console-tools/resize.c
+++ b/console-tools/resize.c
@@ -20,7 +20,7 @@
 	exit(1);
 }
 
-int resize_main(int argc, char **argv);
+int resize_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int resize_main(int argc, char **argv)
 {
 	struct termios new;
diff --git a/console-tools/setconsole.c b/console-tools/setconsole.c
index 32218ae..0aa1d3a 100644
--- a/console-tools/setconsole.c
+++ b/console-tools/setconsole.c
@@ -18,7 +18,7 @@
 
 #define OPT_SETCONS_RESET 1
 
-int setconsole_main(int argc, char **argv);
+int setconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setconsole_main(int argc, char **argv)
 {
 	unsigned long flags;
diff --git a/console-tools/setkeycodes.c b/console-tools/setkeycodes.c
index 3de5f98..ba3d2e4 100644
--- a/console-tools/setkeycodes.c
+++ b/console-tools/setkeycodes.c
@@ -20,8 +20,8 @@
 	KDSETKEYCODE = 0x4B4D  /* write kernel keycode table entry */
 };
 
-int setkeycodes_main(int argc, char** argv);
-int setkeycodes_main(int argc, char** argv)
+int setkeycodes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int setkeycodes_main(int argc, char **argv)
 {
 	int fd, sc;
 	struct kbkeycode a;
diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
index 2e2a5a4..0f6491c 100644
--- a/console-tools/setlogcons.c
+++ b/console-tools/setlogcons.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int setlogcons_main(int argc, char **argv);
+int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setlogcons_main(int argc, char **argv)
 {
 	struct {
diff --git a/coreutils/basename.c b/coreutils/basename.c
index ec1f85b..d536a1b 100644
--- a/coreutils/basename.c
+++ b/coreutils/basename.c
@@ -24,7 +24,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int basename_main(int argc, char **argv);
+int basename_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int basename_main(int argc, char **argv)
 {
 	size_t m, n;
diff --git a/coreutils/cal.c b/coreutils/cal.c
index 3116e1e..8a08a9a 100644
--- a/coreutils/cal.c
+++ b/coreutils/cal.c
@@ -75,7 +75,7 @@
 #define	J_WEEK_LEN	(WEEK_LEN + 7)
 #define	HEAD_SEP	2		/* spaces between day headings */
 
-int cal_main(int argc, char **argv);
+int cal_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cal_main(int argc, char **argv)
 {
 	struct tm *local_time;
diff --git a/coreutils/cat.c b/coreutils/cat.c
index cd52778..a1db4cd 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -43,7 +43,7 @@
 	return retval;
 }
 
-int cat_main(int argc, char **argv);
+int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cat_main(int argc, char **argv)
 {
 	getopt32(argv, "u");
diff --git a/coreutils/catv.c b/coreutils/catv.c
index 5d5a550..5f5f1bf 100644
--- a/coreutils/catv.c
+++ b/coreutils/catv.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int catv_main(int argc, char **argv);
+int catv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int catv_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;
diff --git a/coreutils/chgrp.c b/coreutils/chgrp.c
index 90a1cfe..7f39048 100644
--- a/coreutils/chgrp.c
+++ b/coreutils/chgrp.c
@@ -16,7 +16,7 @@
 /* This is a NOEXEC applet. Be very careful! */
 
 
-int chgrp_main(int argc, char **argv);
+int chgrp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chgrp_main(int argc, char **argv)
 {
 	/* "chgrp [opts] abc file(s)" == "chown [opts] :abc file(s)" */
diff --git a/coreutils/chmod.c b/coreutils/chmod.c
index dd7b784..a58e4f8 100644
--- a/coreutils/chmod.c
+++ b/coreutils/chmod.c
@@ -67,7 +67,7 @@
 	return FALSE;
 }
 
-int chmod_main(int argc, char **argv);
+int chmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chmod_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;
diff --git a/coreutils/chown.c b/coreutils/chown.c
index d974493..df3b77d 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown.c
@@ -61,7 +61,7 @@
 	return FALSE;
 }
 
-int chown_main(int argc, char **argv);
+int chown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chown_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;
diff --git a/coreutils/chroot.c b/coreutils/chroot.c
index 192daa8..a3e70e9 100644
--- a/coreutils/chroot.c
+++ b/coreutils/chroot.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int chroot_main(int argc, char **argv);
+int chroot_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chroot_main(int argc, char **argv)
 {
 	if (argc < 2) {
diff --git a/coreutils/cksum.c b/coreutils/cksum.c
index 987f5f3..dd274af 100644
--- a/coreutils/cksum.c
+++ b/coreutils/cksum.c
@@ -8,7 +8,7 @@
 
 #include "libbb.h"
 
-int cksum_main(int argc, char **argv);
+int cksum_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cksum_main(int argc, char **argv)
 {
 	uint32_t *crc32_table = crc32_filltable(NULL, 1);
diff --git a/coreutils/comm.c b/coreutils/comm.c
index a4ab148..67088e0 100644
--- a/coreutils/comm.c
+++ b/coreutils/comm.c
@@ -35,7 +35,7 @@
 	fputs(line, stdout);
 }
 
-int comm_main(int argc, char **argv);
+int comm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int comm_main(int argc, char **argv)
 {
 #define LINE_LEN 100
diff --git a/coreutils/cp.c b/coreutils/cp.c
index 046067f..6cf1e21 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -21,7 +21,7 @@
 /* This is a NOEXEC applet. Be very careful! */
 
 
-int cp_main(int argc, char **argv);
+int cp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cp_main(int argc, char **argv)
 {
 	struct stat source_stat;
diff --git a/coreutils/cut.c b/coreutils/cut.c
index 1cf49c2..257f3d6 100644
--- a/coreutils/cut.c
+++ b/coreutils/cut.c
@@ -165,7 +165,7 @@
 
 static const char _op_on_field[] ALIGN1 = " only when operating on fields";
 
-int cut_main(int argc, char **argv);
+int cut_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cut_main(int argc, char **argv)
 {
 	char *sopt, *ltok;
diff --git a/coreutils/date.c b/coreutils/date.c
index e33a977..a8e3393 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -38,7 +38,7 @@
 		putenv((char*)"TZ=UTC0");
 }
 
-int date_main(int argc, char **argv);
+int date_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int date_main(int argc, char **argv)
 {
 	time_t tm;
diff --git a/coreutils/dd.c b/coreutils/dd.c
index b9f5b4c..fd4e7e8 100644
--- a/coreutils/dd.c
+++ b/coreutils/dd.c
@@ -73,7 +73,7 @@
 #define XATOU_SFX xatoul_sfx
 #endif
 
-int dd_main(int argc, char **argv);
+int dd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dd_main(int argc, char **argv)
 {
 	enum {
diff --git a/coreutils/df.c b/coreutils/df.c
index 6fe8e2f..ad6a4f3 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -29,7 +29,7 @@
 }
 #endif
 
-int df_main(int argc, char **argv);
+int df_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int df_main(int argc, char **argv)
 {
 	unsigned long blocks_used;
diff --git a/coreutils/dirname.c b/coreutils/dirname.c
index fd2c381..c0c0925 100644
--- a/coreutils/dirname.c
+++ b/coreutils/dirname.c
@@ -14,7 +14,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int dirname_main(int argc, char **argv);
+int dirname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dirname_main(int argc, char **argv)
 {
 	if (argc != 2) {
diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index 2811098..295be29 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -78,7 +78,7 @@
 	return 0;
 }
 
-int dos2unix_main(int argc, char **argv);
+int dos2unix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dos2unix_main(int argc, char **argv)
 {
 	int o, conv_type;
diff --git a/coreutils/du.c b/coreutils/du.c
index 2697acf..3941151 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -140,7 +140,7 @@
 	return sum;
 }
 
-int du_main(int argc, char **argv);
+int du_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int du_main(int argc, char **argv)
 {
 	unsigned long total;
diff --git a/coreutils/echo.c b/coreutils/echo.c
index 851d2ef..860853f 100644
--- a/coreutils/echo.c
+++ b/coreutils/echo.c
@@ -119,8 +119,8 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int echo_main(int argc, char** argv);
-int echo_main(int argc, char** argv)
+int echo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int echo_main(int argc, char **argv)
 {
 	return bb_echo(argv);
 }
diff --git a/coreutils/env.c b/coreutils/env.c
index 5d0cd82..b45cbcc 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -41,8 +41,8 @@
 	;
 #endif
 
-int env_main(int argc, char** argv);
-int env_main(int argc, char** argv)
+int env_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int env_main(int argc, char **argv)
 {
 	/* cleanenv was static - why? */
 	char *cleanenv[1];
diff --git a/coreutils/expand.c b/coreutils/expand.c
index 0ef106d..96a74a3 100644
--- a/coreutils/expand.c
+++ b/coreutils/expand.c
@@ -125,7 +125,7 @@
 }
 #endif
 
-int expand_main(int argc, char **argv);
+int expand_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int expand_main(int argc, char **argv)
 {
 	/* Default 8 spaces for 1 tab */
diff --git a/coreutils/expr.c b/coreutils/expr.c
index c2d9669..959f520 100644
--- a/coreutils/expr.c
+++ b/coreutils/expr.c
@@ -483,7 +483,7 @@
 	return l;
 }
 
-int expr_main(int argc, char **argv);
+int expr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int expr_main(int argc, char **argv)
 {
 	VALUE *v;
diff --git a/coreutils/false.c b/coreutils/false.c
index 07cf9e8..5beb58a 100644
--- a/coreutils/false.c
+++ b/coreutils/false.c
@@ -14,7 +14,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv);
+int false_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv)
 {
 	return EXIT_FAILURE;
diff --git a/coreutils/fold.c b/coreutils/fold.c
index bf4b198..ed484ed 100644
--- a/coreutils/fold.c
+++ b/coreutils/fold.c
@@ -38,7 +38,7 @@
 	return column;
 }
 
-int fold_main(int argc, char **argv);
+int fold_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fold_main(int argc, char **argv)
 {
 	char *line_out = NULL;
diff --git a/coreutils/head.c b/coreutils/head.c
index af9e9f4..6293077 100644
--- a/coreutils/head.c
+++ b/coreutils/head.c
@@ -31,7 +31,7 @@
 
 static const char header_fmt_str[] ALIGN1 = "\n==> %s <==\n";
 
-int head_main(int argc, char **argv);
+int head_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int head_main(int argc, char **argv)
 {
 	unsigned long count = 10;
diff --git a/coreutils/hostid.c b/coreutils/hostid.c
index 7d96651..433eccc 100644
--- a/coreutils/hostid.c
+++ b/coreutils/hostid.c
@@ -13,7 +13,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int hostid_main(int argc, char ATTRIBUTE_UNUSED **argv);
+int hostid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hostid_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	if (argc > 1) {
diff --git a/coreutils/id.c b/coreutils/id.c
index f72a027..7dba802 100644
--- a/coreutils/id.c
+++ b/coreutils/id.c
@@ -36,7 +36,7 @@
 	return status;
 }
 
-int id_main(int argc, char **argv);
+int id_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int id_main(int argc, char **argv)
 {
 	struct passwd *p;
diff --git a/coreutils/install.c b/coreutils/install.c
index 5162084..4adcadb 100644
--- a/coreutils/install.c
+++ b/coreutils/install.c
@@ -66,7 +66,7 @@
 
 #endif
 
-int install_main(int argc, char **argv);
+int install_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int install_main(int argc, char **argv)
 {
 	struct stat statbuf;
diff --git a/coreutils/length.c b/coreutils/length.c
index a310b3b..c7523a0 100644
--- a/coreutils/length.c
+++ b/coreutils/length.c
@@ -6,7 +6,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int length_main(int argc, char **argv);
+int length_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int length_main(int argc, char **argv)
 {
 	if ((argc != 2) || (**(++argv) == '-')) {
diff --git a/coreutils/ln.c b/coreutils/ln.c
index 658e32e..eb71719 100644
--- a/coreutils/ln.c
+++ b/coreutils/ln.c
@@ -22,7 +22,7 @@
 #define LN_BACKUP           8
 #define LN_SUFFIX           16
 
-int ln_main(int argc, char **argv);
+int ln_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ln_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
diff --git a/coreutils/logname.c b/coreutils/logname.c
index 2e628bc..09fd396 100644
--- a/coreutils/logname.c
+++ b/coreutils/logname.c
@@ -24,7 +24,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int logname_main(int argc, char ATTRIBUTE_UNUSED **argv);
+int logname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	char buf[128];
diff --git a/coreutils/ls.c b/coreutils/ls.c
index 92a9a28..dbf1c5b 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -783,7 +783,7 @@
 /* THIS IS A "SAFE" APPLET, main() MAY BE CALLED INTERNALLY FROM SHELL */
 /* BE CAREFUL! */
 
-int ls_main(int argc, char **argv);
+int ls_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ls_main(int argc, char **argv)
 {
 	struct dnode **dnd;
diff --git a/coreutils/md5_sha1_sum.c b/coreutils/md5_sha1_sum.c
index 7f8b084..e94f2ce 100644
--- a/coreutils/md5_sha1_sum.c
+++ b/coreutils/md5_sha1_sum.c
@@ -77,7 +77,7 @@
 	return hash_value;
 }
 
-int md5_sha1_sum_main(int argc, char **argv);
+int md5_sha1_sum_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int md5_sha1_sum_main(int argc, char **argv)
 {
 	int return_value = EXIT_SUCCESS;
diff --git a/coreutils/mkdir.c b/coreutils/mkdir.c
index d1a4380..6bdf76d 100644
--- a/coreutils/mkdir.c
+++ b/coreutils/mkdir.c
@@ -34,7 +34,7 @@
 	;
 #endif
 
-int mkdir_main(int argc, char **argv);
+int mkdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mkdir_main(int argc, char **argv)
 {
 	mode_t mode = (mode_t)(-1);
diff --git a/coreutils/mkfifo.c b/coreutils/mkfifo.c
index e66f817..d298ada 100644
--- a/coreutils/mkfifo.c
+++ b/coreutils/mkfifo.c
@@ -13,7 +13,7 @@
 #include "libbb.h"
 #include "libcoreutils/coreutils.h"
 
-int mkfifo_main(int argc, char **argv);
+int mkfifo_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mkfifo_main(int argc, char **argv)
 {
 	mode_t mode;
diff --git a/coreutils/mknod.c b/coreutils/mknod.c
index a876daa..ee539e3 100644
--- a/coreutils/mknod.c
+++ b/coreutils/mknod.c
@@ -17,7 +17,7 @@
 static const char modes_chars[] ALIGN1 = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
 static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
 
-int mknod_main(int argc, char **argv);
+int mknod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mknod_main(int argc, char **argv)
 {
 	mode_t mode;
diff --git a/coreutils/mv.c b/coreutils/mv.c
index d13f4d5..5d0b515 100644
--- a/coreutils/mv.c
+++ b/coreutils/mv.c
@@ -33,7 +33,7 @@
 static const char fmt[] ALIGN1 =
 	"cannot overwrite %sdirectory with %sdirectory";
 
-int mv_main(int argc, char **argv);
+int mv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mv_main(int argc, char **argv)
 {
 	struct stat dest_stat;
diff --git a/coreutils/nice.c b/coreutils/nice.c
index 0cb31e4..d24a95b 100644
--- a/coreutils/nice.c
+++ b/coreutils/nice.c
@@ -10,7 +10,7 @@
 #include <sys/resource.h>
 #include "libbb.h"
 
-int nice_main(int argc, char **argv);
+int nice_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nice_main(int argc, char **argv)
 {
 	int old_priority, adjustment;
diff --git a/coreutils/nohup.c b/coreutils/nohup.c
index e27bd2e..da8f58c 100644
--- a/coreutils/nohup.c
+++ b/coreutils/nohup.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int nohup_main(int argc, char **argv);
+int nohup_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nohup_main(int argc, char **argv)
 {
 	int nullfd;
diff --git a/coreutils/od.c b/coreutils/od.c
index 114a746..85e979f 100644
--- a/coreutils/od.c
+++ b/coreutils/od.c
@@ -156,7 +156,7 @@
 	0xb, 1, 8, 9,
 };
 
-int od_main(int argc, char **argv);
+int od_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int od_main(int argc, char **argv)
 {
 	int ch;
diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c
index 1bd1b0c..9655c23 100644
--- a/coreutils/od_bloaty.c
+++ b/coreutils/od_bloaty.c
@@ -1196,7 +1196,7 @@
 	check_and_close();
 }
 
-int od_main(int argc, char **argv);
+int od_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int od_main(int argc, char **argv)
 {
 	static const struct suffix_mult bkm[] = {
diff --git a/coreutils/printenv.c b/coreutils/printenv.c
index 19fa832..bac77e2 100644
--- a/coreutils/printenv.c
+++ b/coreutils/printenv.c
@@ -11,7 +11,7 @@
 #include "libbb.h"
 extern char **environ;
 
-int printenv_main(int argc, char **argv);
+int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int printenv_main(int argc, char **argv)
 {
 	/* no variables specified, show whole env */
diff --git a/coreutils/printf.c b/coreutils/printf.c
index d5ef32e..a9ef61f 100644
--- a/coreutils/printf.c
+++ b/coreutils/printf.c
@@ -285,7 +285,7 @@
 	return save_argc - argc;
 }
 
-int printf_main(int argc, char **argv);
+int printf_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int printf_main(int argc, char **argv)
 {
 	char *format;
diff --git a/coreutils/pwd.c b/coreutils/pwd.c
index 73a9d5b..ac604db 100644
--- a/coreutils/pwd.c
+++ b/coreutils/pwd.c
@@ -11,7 +11,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int pwd_main(int argc, char **argv);
+int pwd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pwd_main(int argc, char **argv)
 {
 	char *buf;
diff --git a/coreutils/readlink.c b/coreutils/readlink.c
index 39edc05..b6e389a 100644
--- a/coreutils/readlink.c
+++ b/coreutils/readlink.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int readlink_main(int argc, char **argv);
+int readlink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int readlink_main(int argc, char **argv)
 {
 	char *buf;
diff --git a/coreutils/realpath.c b/coreutils/realpath.c
index 9c42987..bcb73a8 100644
--- a/coreutils/realpath.c
+++ b/coreutils/realpath.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int realpath_main(int argc, char **argv);
+int realpath_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int realpath_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;
diff --git a/coreutils/rm.c b/coreutils/rm.c
index a686fc4..a123156 100644
--- a/coreutils/rm.c
+++ b/coreutils/rm.c
@@ -19,7 +19,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int rm_main(int argc, char **argv);
+int rm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rm_main(int argc, char **argv)
 {
 	int status = 0;
diff --git a/coreutils/rmdir.c b/coreutils/rmdir.c
index 315401e..71d29dd 100644
--- a/coreutils/rmdir.c
+++ b/coreutils/rmdir.c
@@ -16,7 +16,7 @@
 /* This is a NOFORK applet. Be very careful! */
 
 
-int rmdir_main(int argc, char **argv);
+int rmdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rmdir_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
diff --git a/coreutils/seq.c b/coreutils/seq.c
index 050c333..01d71f2 100644
--- a/coreutils/seq.c
+++ b/coreutils/seq.c
@@ -12,7 +12,7 @@
 /* This is a NOFORK applet. Be very careful! */
 
 
-int seq_main(int argc, char **argv);
+int seq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int seq_main(int argc, char **argv)
 {
 	double last, increment, i;
diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index 26cdbc4..6890e35 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -33,7 +33,7 @@
 };
 #endif
 
-int sleep_main(int argc, char **argv);
+int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sleep_main(int argc, char **argv)
 {
 	unsigned duration;
diff --git a/coreutils/sort.c b/coreutils/sort.c
index 311c774..3132346 100644
--- a/coreutils/sort.c
+++ b/coreutils/sort.c
@@ -274,7 +274,7 @@
 }
 #endif
 
-int sort_main(int argc, char **argv);
+int sort_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sort_main(int argc, char **argv)
 {
 	FILE *fp, *outfile = stdout;
diff --git a/coreutils/split.c b/coreutils/split.c
index 6d8924a..51a631c 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -55,7 +55,7 @@
 #define SPLIT_OPT_b (1<<1)
 #define SPLIT_OPT_a (1<<2)
 
-int split_main(int argc, char **argv);
+int split_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int split_main(int argc, char **argv)
 {
 	unsigned suffix_len = 2;
diff --git a/coreutils/stat.c b/coreutils/stat.c
index ed6580e..a5a3054 100644
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -609,7 +609,7 @@
 	return 1;
 }
 
-int stat_main(int argc, char **argv);
+int stat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int stat_main(int argc, char **argv)
 {
 	char *format = NULL;
diff --git a/coreutils/stty.c b/coreutils/stty.c
index 1f0d422..8ad12e6 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -911,7 +911,7 @@
 #define STTY_verbose_output     (1<<2)
 #define STTY_recoverable_output (1<<3)
 #define STTY_noargs             (1<<4)
-int stty_main(int argc, char **argv);
+int stty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int stty_main(int argc, char **argv)
 {
 	struct termios mode;
diff --git a/coreutils/sum.c b/coreutils/sum.c
index a75dd32..65478b0 100644
--- a/coreutils/sum.c
+++ b/coreutils/sum.c
@@ -74,7 +74,7 @@
 #undef buf
 }
 
-int sum_main(int argc, char **argv);
+int sum_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sum_main(int argc, char **argv)
 {
 	unsigned n;
diff --git a/coreutils/sync.c b/coreutils/sync.c
index d562f3f..9dbdd98 100644
--- a/coreutils/sync.c
+++ b/coreutils/sync.c
@@ -13,7 +13,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int sync_main(int argc, char **argv);
+int sync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sync_main(int argc, char **argv)
 {
 	bb_warn_ignoring_args(argc - 1);
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 53dbf33..beecbae 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -79,7 +79,7 @@
 	return xatou_sfx(p, tail_suffixes);
 }
 
-int tail_main(int argc, char **argv);
+int tail_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tail_main(int argc, char **argv)
 {
 	unsigned count = 10;
diff --git a/coreutils/tee.c b/coreutils/tee.c
index 8313258..13fb4a3 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -13,7 +13,7 @@
 #include "libbb.h"
 #include <signal.h>
 
-int tee_main(int argc, char **argv);
+int tee_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tee_main(int argc, char **argv)
 {
 	const char *mode = "w\0a";
diff --git a/coreutils/touch.c b/coreutils/touch.c
index d8498d8..1b83dc4 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -21,7 +21,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int touch_main(int argc, char **argv);
+int touch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int touch_main(int argc, char **argv)
 {
 	int fd;
diff --git a/coreutils/tr.c b/coreutils/tr.c
index 6a34e30..9521bbc 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -165,7 +165,7 @@
 	return ix;
 }
 
-int tr_main(int argc, char **argv);
+int tr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tr_main(int argc, char **argv)
 {
 	unsigned char *ptr;
diff --git a/coreutils/true.c b/coreutils/true.c
index 9dcd69a..2b59193 100644
--- a/coreutils/true.c
+++ b/coreutils/true.c
@@ -14,7 +14,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int true_main(int argc, char **argv);
+int true_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int true_main(int argc, char **argv)
 {
 	return EXIT_SUCCESS;
diff --git a/coreutils/tty.c b/coreutils/tty.c
index d8ce78c..b0a50ff 100644
--- a/coreutils/tty.c
+++ b/coreutils/tty.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int tty_main(int argc, char **argv);
+int tty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tty_main(int argc, char **argv)
 {
 	const char *s;
diff --git a/coreutils/uname.c b/coreutils/uname.c
index e70b1f9..2eecb5d 100644
--- a/coreutils/uname.c
+++ b/coreutils/uname.c
@@ -48,7 +48,7 @@
 	offsetof(uname_info_t,processor)
 };
 
-int uname_main(int argc, char **argv);
+int uname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uname_main(int argc, char **argv)
 {
 	uname_info_t uname_info;
diff --git a/coreutils/uniq.c b/coreutils/uniq.c
index 719bbb5..cda1e61 100644
--- a/coreutils/uniq.c
+++ b/coreutils/uniq.c
@@ -27,7 +27,7 @@
 	return (read0write2) ? stdout : stdin;
 }
 
-int uniq_main(int argc, char **argv);
+int uniq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uniq_main(int argc, char **argv)
 {
 	FILE *in, *out;
diff --git a/coreutils/usleep.c b/coreutils/usleep.c
index e0cd56e..1c90223 100644
--- a/coreutils/usleep.c
+++ b/coreutils/usleep.c
@@ -13,7 +13,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int usleep_main(int argc, char **argv);
+int usleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int usleep_main(int argc, char **argv)
 {
 	if (argc != 2) {
diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 7a52bdb..4683662 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -126,7 +126,7 @@
 	}
 }
 
-int uudecode_main(int argc, char **argv);
+int uudecode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uudecode_main(int argc, char **argv)
 {
 	FILE *src_stream = stdin;
diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c
index 17def8d..e19f996 100644
--- a/coreutils/uuencode.c
+++ b/coreutils/uuencode.c
@@ -15,7 +15,7 @@
 	DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
 };
 
-int uuencode_main(int argc, char **argv);
+int uuencode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uuencode_main(int argc, char **argv)
 {
 	struct stat stat_buf;
diff --git a/coreutils/wc.c b/coreutils/wc.c
index c8a4865..291af41 100644
--- a/coreutils/wc.c
+++ b/coreutils/wc.c
@@ -68,7 +68,7 @@
 	WC_LENGTH	= 3
 };
 
-int wc_main(int argc, char **argv);
+int wc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int wc_main(int argc, char **argv)
 {
 	FILE *fp;
diff --git a/coreutils/who.c b/coreutils/who.c
index 546050a..6e7710c 100644
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -39,7 +39,7 @@
 	strcpy(str6, "old");
 }
 
-int who_main(int argc, char **argv);
+int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int who_main(int argc, char **argv)
 {
 	char str6[6];
diff --git a/coreutils/whoami.c b/coreutils/whoami.c
index 3718358..e2fdfc9 100644
--- a/coreutils/whoami.c
+++ b/coreutils/whoami.c
@@ -13,7 +13,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int whoami_main(int argc, char **argv);
+int whoami_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int whoami_main(int argc, char **argv)
 {
 	if (argc > 1)
diff --git a/coreutils/yes.c b/coreutils/yes.c
index 5529eab..269d2a0 100644
--- a/coreutils/yes.c
+++ b/coreutils/yes.c
@@ -18,7 +18,7 @@
 
 /* This is a NOFORK applet. Be very careful! */
 
-int yes_main(int argc, char **argv);
+int yes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int yes_main(int argc, char **argv)
 {
 	char **first_arg;
diff --git a/debianutils/mktemp.c b/debianutils/mktemp.c
index 1c71c2e..5772ad9 100644
--- a/debianutils/mktemp.c
+++ b/debianutils/mktemp.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int mktemp_main(int argc, char **argv);
+int mktemp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mktemp_main(int argc, char **argv)
 {
 	unsigned long flags = getopt32(argv, "dqt");
diff --git a/debianutils/pipe_progress.c b/debianutils/pipe_progress.c
index ac8fb50..4bfdf6a 100644
--- a/debianutils/pipe_progress.c
+++ b/debianutils/pipe_progress.c
@@ -14,7 +14,7 @@
 /* Read a block of data from stdin, write it to stdout.
  * Activity is indicated by a '.' to stderr
  */
-int pipe_progress_main(int argc, char **argv);
+int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pipe_progress_main(int argc, char **argv)
 {
 	RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index 56f70c6..338817f 100644
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -110,7 +110,7 @@
 	;
 #endif
 
-int run_parts_main(int argc, char **argv);
+int run_parts_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int run_parts_main(int argc, char **argv)
 {
 	const char *umask_p = "22";
diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c
index 7633cb0..6860bab 100644
--- a/debianutils/start_stop_daemon.c
+++ b/debianutils/start_stop_daemon.c
@@ -234,7 +234,7 @@
 	OPT_NICELEVEL  = 0x4000 * ENABLE_FEATURE_START_STOP_DAEMON_FANCY, // -N
 };
 
-int start_stop_daemon_main(int argc, char **argv);
+int start_stop_daemon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int start_stop_daemon_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/debianutils/which.c b/debianutils/which.c
index b556a9f..8838130 100644
--- a/debianutils/which.c
+++ b/debianutils/which.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int which_main(int argc, char **argv);
+int which_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int which_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
diff --git a/docs/new-applet-HOWTO.txt b/docs/new-applet-HOWTO.txt
index 05ff92f..37a78e9 100644
--- a/docs/new-applet-HOWTO.txt
+++ b/docs/new-applet-HOWTO.txt
@@ -42,7 +42,7 @@
 #include "libbb.h"
 #include "other.h"
 
-int mu_main(int argc, char **argv);
+int mu_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mu_main(int argc, char **argv)
 {
 	int fd;
diff --git a/e2fsprogs/chattr.c b/e2fsprogs/chattr.c
index 35424f8..db54372 100644
--- a/e2fsprogs/chattr.c
+++ b/e2fsprogs/chattr.c
@@ -142,7 +142,7 @@
 		iterate_on_dir(name, chattr_dir_proc, gp);
 }
 
-int chattr_main(int argc, char **argv);
+int chattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chattr_main(int argc, char **argv)
 {
 	struct globals g;
diff --git a/e2fsprogs/fsck.c b/e2fsprogs/fsck.c
index 110b3d2..f80de81 100644
--- a/e2fsprogs/fsck.c
+++ b/e2fsprogs/fsck.c
@@ -1153,7 +1153,7 @@
 	cancel_requested = 1;
 }
 
-int fsck_main(int argc, char **argv);
+int fsck_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fsck_main(int argc, char **argv)
 {
 	int i, status = 0;
diff --git a/e2fsprogs/lsattr.c b/e2fsprogs/lsattr.c
index 5f4f872..6f4b974 100644
--- a/e2fsprogs/lsattr.c
+++ b/e2fsprogs/lsattr.c
@@ -95,7 +95,7 @@
 	}
 }
 
-int lsattr_main(int argc, char **argv);
+int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int lsattr_main(int argc, char **argv)
 {
 	getopt32(argv, "Radlv");
diff --git a/e2fsprogs/old_e2fsprogs/chattr.c b/e2fsprogs/old_e2fsprogs/chattr.c
index b933938..ae39d92 100644
--- a/e2fsprogs/old_e2fsprogs/chattr.c
+++ b/e2fsprogs/old_e2fsprogs/chattr.c
@@ -170,7 +170,7 @@
 	return 0;
 }
 
-int chattr_main(int argc, char **argv);
+int chattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chattr_main(int argc, char **argv)
 {
 	int i;
diff --git a/e2fsprogs/old_e2fsprogs/fsck.c b/e2fsprogs/old_e2fsprogs/fsck.c
index 7e73838..d4914a5 100644
--- a/e2fsprogs/old_e2fsprogs/fsck.c
+++ b/e2fsprogs/old_e2fsprogs/fsck.c
@@ -1321,7 +1321,7 @@
 	    max_running = atoi(tmp);
 }
 
-int fsck_main(int argc, char **argv);
+int fsck_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fsck_main(int argc, char **argv)
 {
 	int i, status = 0;
diff --git a/e2fsprogs/old_e2fsprogs/lsattr.c b/e2fsprogs/old_e2fsprogs/lsattr.c
index bbc03aa..277ec7c 100644
--- a/e2fsprogs/old_e2fsprogs/lsattr.c
+++ b/e2fsprogs/old_e2fsprogs/lsattr.c
@@ -112,7 +112,7 @@
 	return 0;
 }
 
-int lsattr_main(int argc, char **argv);
+int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int lsattr_main(int argc, char **argv)
 {
 	int i;
diff --git a/e2fsprogs/old_e2fsprogs/tune2fs.c b/e2fsprogs/old_e2fsprogs/tune2fs.c
index 920a50c..c5c84d6 100644
--- a/e2fsprogs/old_e2fsprogs/tune2fs.c
+++ b/e2fsprogs/old_e2fsprogs/tune2fs.c
@@ -577,7 +577,7 @@
 	if (ENABLE_FEATURE_CLEAN_UP && journal_device) free(journal_device);
 }
 
-int tune2fs_main(int argc, char **argv);
+int tune2fs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tune2fs_main(int argc, char **argv)
 {
 	errcode_t retval;
diff --git a/editors/awk.c b/editors/awk.c
index a820c7a..da3401b 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -2752,7 +2752,7 @@
 #undef files_happen
 }
 
-int awk_main(int argc, char **argv);
+int awk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int awk_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/editors/cmp.c b/editors/cmp.c
index 34a0de5..6dfe040 100644
--- a/editors/cmp.c
+++ b/editors/cmp.c
@@ -42,7 +42,7 @@
 #define CMP_OPT_s (1<<0)
 #define CMP_OPT_l (1<<1)
 
-int cmp_main(int argc, char **argv);
+int cmp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cmp_main(int argc, char **argv)
 {
 	FILE *fp1, *fp2, *outfile = stdout;
diff --git a/editors/diff.c b/editors/diff.c
index 3a694e0..c158c87 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -1207,7 +1207,7 @@
 #endif
 
 
-int diff_main(int argc, char **argv);
+int diff_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int diff_main(int argc, char **argv)
 {
 	bool gotstdin = 0;
diff --git a/editors/ed.c b/editors/ed.c
index 31185d9..cceff0c 100644
--- a/editors/ed.c
+++ b/editors/ed.c
@@ -88,7 +88,7 @@
 }
 
 
-int ed_main(int argc, char **argv);
+int ed_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ed_main(int argc, char **argv)
 {
 	INIT_G();
diff --git a/editors/patch.c b/editors/patch.c
index 65791df..07fa5cf 100644
--- a/editors/patch.c
+++ b/editors/patch.c
@@ -77,7 +77,7 @@
 	return stat(filename, &statbuf);
 }
 
-int patch_main(int argc, char **argv);
+int patch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int patch_main(int argc, char **argv)
 {
 	int patch_level = -1;
diff --git a/editors/sed.c b/editors/sed.c
index dcdf382..f75fcee 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -1223,7 +1223,7 @@
 	free(sv);
 }
 
-int sed_main(int argc, char **argv);
+int sed_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sed_main(int argc, char **argv)
 {
 	enum {
diff --git a/editors/vi.c b/editors/vi.c
index 25c8234..249bf29 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -311,7 +311,7 @@
 	fputs(out, stdout);
 }
 
-int vi_main(int argc, char **argv);
+int vi_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int vi_main(int argc, char **argv)
 {
 	int c;
diff --git a/findutils/find.c b/findutils/find.c
index b618814..9efe2db 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -794,7 +794,7 @@
 }
 
 
-int find_main(int argc, char **argv);
+int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int find_main(int argc, char **argv)
 {
 	static const char options[] ALIGN1 =
diff --git a/findutils/grep.c b/findutils/grep.c
index 2d886a0..fc40be2 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -393,7 +393,7 @@
 	return matched;
 }
 
-int grep_main(int argc, char **argv);
+int grep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int grep_main(int argc, char **argv)
 {
 	FILE *file;
diff --git a/findutils/xargs.c b/findutils/xargs.c
index f7c7832..ee16ea6 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -373,7 +373,7 @@
 	USE_FEATURE_XARGS_SUPPORT_TERMOPT(     "x") \
 	USE_FEATURE_XARGS_SUPPORT_ZERO_TERM(   "0")
 
-int xargs_main(int argc, char **argv);
+int xargs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int xargs_main(int argc, char **argv)
 {
 	char **args;
diff --git a/include/applets.h b/include/applets.h
index ac3f65f..ceab003 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -24,11 +24,11 @@
 */
 
 #if defined(PROTOTYPES)
-# define APPLET(name,l,s)                    int name##_main(int argc, char **argv);
-# define APPLET_NOUSAGE(name,main,l,s)       int main##_main(int argc, char **argv);
-# define APPLET_ODDNAME(name,main,l,s,name2) int main##_main(int argc, char **argv);
-# define APPLET_NOEXEC(name,main,l,s,name2)  int main##_main(int argc, char **argv);
-# define APPLET_NOFORK(name,main,l,s,name2)  int main##_main(int argc, char **argv);
+# define APPLET(name,l,s)                    int name##_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+# define APPLET_NOUSAGE(name,main,l,s)       int main##_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+# define APPLET_ODDNAME(name,main,l,s,name2) int main##_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+# define APPLET_NOEXEC(name,main,l,s,name2)  int main##_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+# define APPLET_NOFORK(name,main,l,s,name2)  int main##_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 
 #elif defined(NAME_MAIN_CNAME)
 # define APPLET(name,l,s)                    name name##_main name
diff --git a/include/busybox.h b/include/busybox.h
index 1c23b9b..5c01eca 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -48,12 +48,22 @@
 #endif
 };
 
+
 /* Defined in appletlib.c */
 extern const struct bb_applet applets[];
 extern const unsigned short NUM_APPLETS;
-void bbox_prepare_main(char **argv);
+
+/* Length of these names has effect on size of libbusybox
+ * and "individual" binaries. Keep them short.
+ */
+void lbb_prepare(char **argv) MAIN_EXTERNALLY_VISIBLE;
 #if ENABLE_BUILD_LIBBUSYBOX
-int libbusybox_main(int argc, char **argv);
+#if ENABLE_FEATURE_SHARED_BUSYBOX
+int lbb_main(int argc, char **argv) EXTERNALLY_VISIBLE;
+#else
+int lbb_main(int argc, char **argv);
 #endif
+#endif
+
 
 #endif	/* _BB_INTERNAL_H_ */
diff --git a/include/libbb.h b/include/libbb.h
index 9d8b5f3..be548a3 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -673,7 +673,7 @@
 extern int xfunc_error_retval;
 extern jmp_buf die_jmp;
 extern void xfunc_die(void) ATTRIBUTE_NORETURN;
-extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
+extern void bb_show_usage(void) ATTRIBUTE_NORETURN;
 extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
 extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
 extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
@@ -687,18 +687,27 @@
 extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
 extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
 
+/* We need to export XXX_main from libbusybox
+ * only if we build "individual" binaries
+ */
+#if ENABLE_FEATURE_INDIVIDUAL
+#define MAIN_EXTERNALLY_VISIBLE EXTERNALLY_VISIBLE
+#else
+#define MAIN_EXTERNALLY_VISIBLE
+#endif
+
 
 /* applets which are useful from another applets */
 int bb_cat(char** argv);
 int bb_echo(char** argv);
-int test_main(int argc, char** argv);
-int kill_main(int argc, char **argv);
+int test_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int kill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 #if ENABLE_ROUTE
 void bb_displayroutes(int noresolve, int netstatfmt);
 #endif
-int chown_main(int argc, char **argv);
+int chown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 #if ENABLE_GUNZIP
-int gunzip_main(int argc, char **argv);
+int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 #endif
 int bbunpack(char **argv,
 	char* (*make_new_name)(char *filename),
diff --git a/include/platform.h b/include/platform.h
index 3980945..53d7282 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -71,9 +71,10 @@
 /* -fwhole-program makes all symbols local. The attribute externally_visible
    forces a symbol global.  */
 # if __GNUC_PREREQ (4,1)
-#  define ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((__externally_visible__))
+#  define EXTERNALLY_VISIBLE __attribute__(( visibility("default") ));
+//__attribute__ ((__externally_visible__))
 # else
-#  define ATTRIBUTE_EXTERNALLY_VISIBLE
+#  define EXTERNALLY_VISIBLE
 # endif /* GNUC >= 4.1 */
 
 /* We use __extension__ in some places to suppress -pedantic warnings
diff --git a/init/halt.c b/init/halt.c
index e21ad57..d9f8b1a 100644
--- a/init/halt.c
+++ b/init/halt.c
@@ -10,7 +10,7 @@
 #include "libbb.h"
 #include <sys/reboot.h>
 
-int halt_main(int argc, char **argv);
+int halt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int halt_main(int argc, char **argv)
 {
 	static const int magic[] = {
diff --git a/init/init.c b/init/init.c
index 5e84011..409e8c4 100644
--- a/init/init.c
+++ b/init/init.c
@@ -882,7 +882,7 @@
 }
 #endif  /* FEATURE_USE_INITTAB */
 
-int init_main(int argc, char **argv);
+int init_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int init_main(int argc, char **argv)
 {
 	struct init_action *a;
diff --git a/init/mesg.c b/init/mesg.c
index 1a576cb..cfb517f 100644
--- a/init/mesg.c
+++ b/init/mesg.c
@@ -15,7 +15,7 @@
 #define S_IWGRP_OR_S_IWOTH	(S_IWGRP | S_IWOTH)
 #endif
 
-int mesg_main(int argc, char **argv);
+int mesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mesg_main(int argc, char **argv)
 {
 	struct stat sb;
diff --git a/ipsvd/tcpudp.c b/ipsvd/tcpudp.c
index 537a524..98b075f 100644
--- a/ipsvd/tcpudp.c
+++ b/ipsvd/tcpudp.c
@@ -133,7 +133,7 @@
 		connection_status();
 }
 
-int tcpudpsvd_main(int argc, char **argv);
+int tcpudpsvd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tcpudpsvd_main(int argc, char **argv)
 {
 	char *str_c, *str_C, *str_b, *str_t;
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 7808df5..953f1e7 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -127,7 +127,7 @@
 int *const bb_errno __attribute__ ((section (".data")));
 #endif
 
-void bbox_prepare_main(char **argv)
+void lbb_prepare(char **argv)
 {
 #ifdef __GLIBC__
 	(*(int **)&bb_errno) = __errno_location();
@@ -661,12 +661,12 @@
 
 
 #if ENABLE_BUILD_LIBBUSYBOX
-int libbusybox_main(int argc, char **argv)
+int lbb_main(int argc, char **argv)
 #else
 int main(int argc, char **argv)
 #endif
 {
-	bbox_prepare_main(argv);
+	lbb_prepare(argv);
 
 #if !BB_MMU
 	/* NOMMU re-exec trick sets high-order bit in first byte of name */
diff --git a/loginutils/addgroup.c b/loginutils/addgroup.c
index b213074..9b2c679 100644
--- a/loginutils/addgroup.c
+++ b/loginutils/addgroup.c
@@ -122,7 +122,7 @@
  * If called with two non-option arguments, addgroup
  * will add an existing user to an existing group.
  */
-int addgroup_main(int argc, char **argv);
+int addgroup_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int addgroup_main(int argc, char **argv)
 {
 	char *group;
diff --git a/loginutils/adduser.c b/loginutils/adduser.c
index 149ea9c..5c62428 100644
--- a/loginutils/adduser.c
+++ b/loginutils/adduser.c
@@ -165,7 +165,7 @@
  *
  * can be customized via command-line parameters.
  */
-int adduser_main(int argc, char **argv);
+int adduser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int adduser_main(int argc, char **argv)
 {
 	struct passwd pw;
diff --git a/loginutils/chpasswd.c b/loginutils/chpasswd.c
index 61f9b89..7d47899 100644
--- a/loginutils/chpasswd.c
+++ b/loginutils/chpasswd.c
@@ -20,7 +20,7 @@
 #define OPT_ENC		1
 #define OPT_MD5		2
 
-int chpasswd_main(int argc, char **argv);
+int chpasswd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chpasswd_main(int argc, char **argv)
 {
 	char *name, *pass;
diff --git a/loginutils/cryptpw.c b/loginutils/cryptpw.c
index 0847857..06817a6 100644
--- a/loginutils/cryptpw.c
+++ b/loginutils/cryptpw.c
@@ -7,7 +7,7 @@
 
 #include "libbb.h"
 
-int cryptpw_main(int argc, char **argv);
+int cryptpw_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int cryptpw_main(int argc, char **argv)
 {
 	char salt[sizeof("$N$XXXXXXXX")];
diff --git a/loginutils/deluser.c b/loginutils/deluser.c
index 0e4f02d..c67ad72 100644
--- a/loginutils/deluser.c
+++ b/loginutils/deluser.c
@@ -93,7 +93,7 @@
 	free(new);
 }
 
-int deluser_main(int argc, char **argv);
+int deluser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int deluser_main(int argc, char **argv)
 {
 	if (argc == 2
diff --git a/loginutils/getty.c b/loginutils/getty.c
index db8d7ce..bc735d0 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -699,7 +699,7 @@
 #endif /* SYSV_STYLE */
 
 
-int getty_main(int argc, char **argv);
+int getty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int getty_main(int argc, char **argv)
 {
 	int nullfd;
diff --git a/loginutils/login.c b/loginutils/login.c
index dfdc58b..bddc0f5 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -219,7 +219,7 @@
 	exit(EXIT_SUCCESS);
 }
 
-int login_main(int argc, char **argv);
+int login_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int login_main(int argc, char **argv)
 {
 	enum {
diff --git a/loginutils/passwd.c b/loginutils/passwd.c
index ce333b4..99afde2 100644
--- a/loginutils/passwd.c
+++ b/loginutils/passwd.c
@@ -70,7 +70,7 @@
 	return ret;
 }
 
-int passwd_main(int argc, char **argv);
+int passwd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int passwd_main(int argc, char **argv)
 {
 	enum {
diff --git a/loginutils/su.c b/loginutils/su.c
index 123907e..8c55170 100644
--- a/loginutils/su.c
+++ b/loginutils/su.c
@@ -11,7 +11,7 @@
 #define SU_OPT_mp (3)
 #define SU_OPT_l (4)
 
-int su_main(int argc, char **argv);
+int su_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int su_main(int argc, char **argv)
 {
 	unsigned flags;
diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c
index 5c73bda..7f100a1 100644
--- a/loginutils/sulogin.c
+++ b/loginutils/sulogin.c
@@ -34,7 +34,7 @@
 }
 
 
-int sulogin_main(int argc, char **argv);
+int sulogin_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sulogin_main(int argc, char **argv)
 {
 	char *cp;
diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index 8e3a1ea..6e928e2 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -33,7 +33,7 @@
 	ioctl(vfd, VT_RELDISP, VT_ACKACQ);
 }
 
-int vlock_main(int argc, char **argv);
+int vlock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int vlock_main(int argc, char **argv)
 {
 	sigset_t sig;
diff --git a/miscutils/adjtimex.c b/miscutils/adjtimex.c
index b11807d..67dd0a9 100644
--- a/miscutils/adjtimex.c
+++ b/miscutils/adjtimex.c
@@ -43,7 +43,7 @@
 	"clock not synchronized"
 };
 
-int adjtimex_main(int argc, char **argv);
+int adjtimex_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int adjtimex_main(int argc, char **argv)
 {
 	enum {
diff --git a/miscutils/bbconfig.c b/miscutils/bbconfig.c
index 803d1d9..ee56678 100644
--- a/miscutils/bbconfig.c
+++ b/miscutils/bbconfig.c
@@ -4,7 +4,7 @@
 #include "libbb.h"
 #include "bbconfigopts.h"
 
-int bbconfig_main(int argc, char **argv);
+int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int bbconfig_main(int argc, char **argv)
 {
 	printf(bbconfig_config);
diff --git a/miscutils/chrt.c b/miscutils/chrt.c
index 1f5465c..418e7ae 100644
--- a/miscutils/chrt.c
+++ b/miscutils/chrt.c
@@ -41,8 +41,8 @@
 #define OPT_f (1<<3)
 #define OPT_o (1<<4)
 
-int chrt_main(int argc, char** argv);
-int chrt_main(int argc, char** argv)
+int chrt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int chrt_main(int argc, char **argv)
 {
 	pid_t pid = 0;
 	unsigned opt;
diff --git a/miscutils/crond.c b/miscutils/crond.c
index fa7b3da..8ee7e58 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -128,7 +128,7 @@
 	}
 }
 
-int crond_main(int ac, char **av);
+int crond_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int crond_main(int ac, char **av)
 {
 	unsigned opt;
diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index 1b827d7..6d245da 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -31,7 +31,7 @@
 static int GetReplaceStream(const char *user, const char *file);
 static int ChangeUser(const char *user, short dochdir);
 
-int crontab_main(int ac, char **av);
+int crontab_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int crontab_main(int ac, char **av)
 {
 	enum { NONE, EDIT, LIST, REPLACE, DELETE } option = NONE;
diff --git a/miscutils/dc.c b/miscutils/dc.c
index ced5149..ffc3f8d 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -197,7 +197,7 @@
 	return i;
 }
 
-int dc_main(int argc, char **argv);
+int dc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dc_main(int argc, char **argv)
 {
 	/* take stuff from stdin if no args are given */
diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c
index 734d4a7..cd94869 100644
--- a/miscutils/devfsd.c
+++ b/miscutils/devfsd.c
@@ -336,7 +336,7 @@
 
 /*  Public functions follow  */
 
-int devfsd_main(int argc, char **argv);
+int devfsd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int devfsd_main(int argc, char **argv)
 {
 	int print_version = FALSE;
diff --git a/miscutils/eject.c b/miscutils/eject.c
index e66d74e..99f01ab 100644
--- a/miscutils/eject.c
+++ b/miscutils/eject.c
@@ -25,7 +25,7 @@
 #define FLAG_CLOSE  1
 #define FLAG_SMART  2
 
-int eject_main(int argc, char **argv);
+int eject_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int eject_main(int argc, char **argv)
 {
 	unsigned long flags;
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 365e24c..869a5b2 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -2005,7 +2005,7 @@
 /*-------------------------------------*/
 
 /* our main() routine: */
-int hdparm_main(int argc, char **argv);
+int hdparm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hdparm_main(int argc, char **argv)
 {
 	int c;
diff --git a/miscutils/last.c b/miscutils/last.c
index f38c4b8..fc5916e 100644
--- a/miscutils/last.c
+++ b/miscutils/last.c
@@ -26,7 +26,7 @@
 #error struct utmp member char[] size(s) have changed!
 #endif
 
-int last_main(int argc, char **argv);
+int last_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int last_main(int argc, char **argv)
 {
 	struct utmp ut;
diff --git a/miscutils/less.c b/miscutils/less.c
index b1e5ce9..5ffebcd 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -1311,7 +1311,7 @@
 	exit(1);
 }
 
-int less_main(int argc, char **argv);
+int less_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int less_main(int argc, char **argv)
 {
 	int keypress;
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index d36c695..1f88f34 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -10,7 +10,7 @@
 #include "libbb.h"
 
 #if ENABLE_FEATURE_MAKEDEVS_LEAF
-int makedevs_main(int argc, char **argv);
+int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int makedevs_main(int argc, char **argv)
 {
 	mode_t mode;
@@ -69,7 +69,7 @@
 
 /* Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */
 
-int makedevs_main(int argc, char **argv);
+int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int makedevs_main(int argc, char **argv)
 {
 	FILE *table = stdin;
diff --git a/miscutils/microcom.c b/miscutils/microcom.c
index e097dc4..1235f06 100644
--- a/miscutils/microcom.c
+++ b/miscutils/microcom.c
@@ -9,7 +9,7 @@
  */
 #include "libbb.h"
 
-int microcom_main(int argc, char **argv);
+int microcom_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int microcom_main(int argc, char **argv)
 {
 	struct pollfd pfd[2];
diff --git a/miscutils/mountpoint.c b/miscutils/mountpoint.c
index 376bd95..5647e4c 100644
--- a/miscutils/mountpoint.c
+++ b/miscutils/mountpoint.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int mountpoint_main(int argc, char **argv);
+int mountpoint_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mountpoint_main(int argc, char **argv)
 {
 	struct stat st;
diff --git a/miscutils/mt.c b/miscutils/mt.c
index b9bc2a1..be1f21a 100644
--- a/miscutils/mt.c
+++ b/miscutils/mt.c
@@ -50,7 +50,7 @@
 	{0, 0}
 };
 
-int mt_main(int argc, char **argv);
+int mt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mt_main(int argc, char **argv)
 {
 	const char *file = "/dev/tape";
diff --git a/miscutils/raidautorun.c b/miscutils/raidautorun.c
index edcb6d6..2766245 100644
--- a/miscutils/raidautorun.c
+++ b/miscutils/raidautorun.c
@@ -13,7 +13,7 @@
 #include <linux/major.h>
 #include <linux/raid/md_u.h>
 
-int raidautorun_main(int argc, char **argv);
+int raidautorun_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int raidautorun_main(int argc, char **argv)
 {
 	if (argc != 2)
diff --git a/miscutils/readahead.c b/miscutils/readahead.c
index 103ce8e..647eb31 100644
--- a/miscutils/readahead.c
+++ b/miscutils/readahead.c
@@ -12,7 +12,7 @@
 
 #include "libbb.h"
 
-int readahead_main(int argc, char **argv);
+int readahead_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int readahead_main(int argc, char **argv)
 {
 	FILE *f;
diff --git a/miscutils/runlevel.c b/miscutils/runlevel.c
index f51a647..04064ee 100644
--- a/miscutils/runlevel.c
+++ b/miscutils/runlevel.c
@@ -15,7 +15,7 @@
 #include <utmp.h>
 #include "libbb.h"
 
-int runlevel_main(int argc, char **argv);
+int runlevel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int runlevel_main(int argc, char **argv)
 {
 	struct utmp *ut;
diff --git a/miscutils/rx.c b/miscutils/rx.c
index 675aad2..898703c 100644
--- a/miscutils/rx.c
+++ b/miscutils/rx.c
@@ -249,7 +249,7 @@
 {
 }
 
-int rx_main(int argc, char **argv);
+int rx_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rx_main(int argc, char **argv)
 {
 	char *fn;
diff --git a/miscutils/setsid.c b/miscutils/setsid.c
index 8d738ed..110bb6b 100644
--- a/miscutils/setsid.c
+++ b/miscutils/setsid.c
@@ -16,7 +16,7 @@
 
 #include "libbb.h"
 
-int setsid_main(int argc, char **argv);
+int setsid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setsid_main(int argc, char **argv)
 {
 	if (argc < 2)
diff --git a/miscutils/strings.c b/miscutils/strings.c
index b7f5a0b..d75becc 100644
--- a/miscutils/strings.c
+++ b/miscutils/strings.c
@@ -16,7 +16,7 @@
 #define PRINT_OFFSET	4
 #define SIZE			8
 
-int strings_main(int argc, char **argv);
+int strings_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int strings_main(int argc, char **argv)
 {
 	int n, c, status = EXIT_SUCCESS;
diff --git a/miscutils/taskset.c b/miscutils/taskset.c
index 3c117da..e64fd65 100644
--- a/miscutils/taskset.c
+++ b/miscutils/taskset.c
@@ -41,8 +41,8 @@
 
 #define OPT_p 1
 
-int taskset_main(int argc, char** argv);
-int taskset_main(int argc, char** argv)
+int taskset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int taskset_main(int argc, char **argv)
 {
 	cpu_set_t mask, new_mask;
 	pid_t pid = 0;
diff --git a/miscutils/time.c b/miscutils/time.c
index 8f79a51..d21944e 100644
--- a/miscutils/time.c
+++ b/miscutils/time.c
@@ -402,7 +402,7 @@
 	signal(SIGQUIT, quit_signal);
 }
 
-int time_main(int argc, char **argv);
+int time_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int time_main(int argc, char **argv)
 {
 	resource_t res;
diff --git a/miscutils/ttysize.c b/miscutils/ttysize.c
index 292cfb8..f51b328 100644
--- a/miscutils/ttysize.c
+++ b/miscutils/ttysize.c
@@ -11,7 +11,7 @@
  */
 #include "libbb.h"
 
-int ttysize_main(int argc, char **argv);
+int ttysize_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ttysize_main(int argc, char **argv)
 {
 	unsigned w,h;
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index 14bd44f..e040c64 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -24,7 +24,7 @@
 	exit(0);
 }
 
-int watchdog_main(int argc, char **argv);
+int watchdog_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int watchdog_main(int argc, char **argv)
 {
 	unsigned opts;
diff --git a/modutils/insmod.c b/modutils/insmod.c
index d7e4bef..6f3b7d0 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -72,7 +72,7 @@
 #endif
 
 #if ENABLE_FEATURE_2_6_MODULES
-extern int insmod_ng_main(int argc, char **argv);
+extern int insmod_ng_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 #endif
 
 
@@ -3952,8 +3952,8 @@
 void print_load_map(struct obj_file *f);
 #endif
 
-int insmod_main( int argc, char **argv);
-int insmod_main( int argc, char **argv)
+int insmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int insmod_main(int argc, char **argv)
 {
 	char *opt_o, *arg1;
 	int len;
@@ -4261,7 +4261,7 @@
 	}
 }
 
-int insmod_ng_main(int argc, char **argv);
+int insmod_ng_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int insmod_ng_main(int argc, char **argv)
 {
 	long ret;
diff --git a/modutils/lsmod.c b/modutils/lsmod.c
index 09b03d0..7014681 100644
--- a/modutils/lsmod.c
+++ b/modutils/lsmod.c
@@ -74,7 +74,7 @@
 	NEW_MOD_INITIALIZING = 64
 };
 
-int lsmod_main(int argc, char **argv);
+int lsmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int lsmod_main(int argc, char **argv)
 {
 	struct module_info info;
@@ -140,7 +140,7 @@
 
 #else /* CONFIG_FEATURE_QUERY_MODULE_INTERFACE */
 
-int lsmod_main(int argc, char **argv);
+int lsmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int lsmod_main(int argc, char **argv)
 {
 	FILE *file = xfopen("/proc/modules", "r");
diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index 36a3c35..a67ddea 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -861,8 +861,8 @@
 	return rc;
 }
 
-int modprobe_main(int argc, char** argv);
-int modprobe_main(int argc, char** argv)
+int modprobe_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int modprobe_main(int argc, char **argv)
 {
 	int rc = EXIT_SUCCESS;
 	char *unused;
diff --git a/modutils/rmmod.c b/modutils/rmmod.c
index ba3e88c..61cfbd1 100644
--- a/modutils/rmmod.c
+++ b/modutils/rmmod.c
@@ -38,7 +38,7 @@
 int query_module(const char *name, int which, void *buf,
 			size_t bufsize, size_t *ret);
 
-int rmmod_main(int argc, char **argv);
+int rmmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rmmod_main(int argc, char **argv)
 {
 	int n, ret = EXIT_SUCCESS;
diff --git a/networking/arp.c b/networking/arp.c
index 8cdee18..36985fc 100644
--- a/networking/arp.c
+++ b/networking/arp.c
@@ -434,7 +434,7 @@
 	return 0;
 }
 
-int arp_main(int argc, char **argv);
+int arp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int arp_main(int argc, char **argv)
 {
 	char *hw_type;
diff --git a/networking/arping.c b/networking/arping.c
index a2c4c22..44615d5 100644
--- a/networking/arping.c
+++ b/networking/arping.c
@@ -227,7 +227,7 @@
 	return 1;
 }
 
-int arping_main(int argc, char **argv);
+int arping_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int arping_main(int argc, char **argv)
 {
 	const char *device = "eth0";
diff --git a/networking/dnsd.c b/networking/dnsd.c
index c906de3..8f01d5c 100644
--- a/networking/dnsd.c
+++ b/networking/dnsd.c
@@ -328,7 +328,7 @@
 	exit(2);
 }
 
-int dnsd_main(int argc, char **argv);
+int dnsd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dnsd_main(int argc, char **argv)
 {
 	const char *listen_interface = "0.0.0.0";
diff --git a/networking/ether-wake.c b/networking/ether-wake.c
index fc26ad0..b752152 100644
--- a/networking/ether-wake.c
+++ b/networking/ether-wake.c
@@ -178,7 +178,7 @@
 	return byte_cnt;
 }
 
-int ether_wake_main(int argc, char **argv);
+int ether_wake_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ether_wake_main(int argc, char **argv)
 {
 	const char *ifname = "eth0";
diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c
index 58847a9..587f000 100644
--- a/networking/ftpgetput.c
+++ b/networking/ftpgetput.c
@@ -296,7 +296,7 @@
 	;
 #endif
 
-int ftpgetput_main(int argc, char **argv);
+int ftpgetput_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ftpgetput_main(int argc, char **argv)
 {
 	/* content-length of the file */
diff --git a/networking/hostname.c b/networking/hostname.c
index 6783dba..2c224be 100644
--- a/networking/hostname.c
+++ b/networking/hostname.c
@@ -42,7 +42,7 @@
 	}
 }
 
-int hostname_main(int argc, char **argv);
+int hostname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hostname_main(int argc, char **argv)
 {
 	enum {
diff --git a/networking/httpd.c b/networking/httpd.c
index 06a5a56..6118502 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -2111,7 +2111,7 @@
 };
 
 
-int httpd_main(int argc, char **argv);
+int httpd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int httpd_main(int argc, char **argv)
 {
 	int server_socket = server_socket; /* for gcc */
diff --git a/networking/ifconfig.c b/networking/ifconfig.c
index 0d53676..3dcb118 100644
--- a/networking/ifconfig.c
+++ b/networking/ifconfig.c
@@ -261,7 +261,7 @@
  * Our main function.
  */
 
-int ifconfig_main(int argc, char **argv);
+int ifconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ifconfig_main(int argc, char **argv)
 {
 	struct ifreq ifr;
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index bd53f93..c4d7252 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -1133,7 +1133,7 @@
 }
 
 
-int ifupdown_main(int argc, char **argv);
+int ifupdown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ifupdown_main(int argc, char **argv)
 {
 	int (*cmds)(struct interface_defn_t *) = NULL;
diff --git a/networking/inetd.c b/networking/inetd.c
index 6d72e13..9ea7f9c 100644
--- a/networking/inetd.c
+++ b/networking/inetd.c
@@ -1303,7 +1303,7 @@
 #endif
 
 
-int inetd_main(int argc, char **argv);
+int inetd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int inetd_main(int argc, char **argv)
 {
 	servtab_t *sep;
diff --git a/networking/ip.c b/networking/ip.c
index c82d731..3ea1b62 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -38,7 +38,7 @@
 }
 
 #if ENABLE_FEATURE_IP_ADDRESS
-int ipaddr_main(int argc, char **argv);
+int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ipaddr_main(int argc, char **argv)
 {
     ip_func = do_ipaddr;
@@ -46,7 +46,7 @@
 }
 #endif
 #if ENABLE_FEATURE_IP_LINK
-int iplink_main(int argc, char **argv);
+int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int iplink_main(int argc, char **argv)
 {
     ip_func = do_iplink;
@@ -54,7 +54,7 @@
 }
 #endif
 #if ENABLE_FEATURE_IP_ROUTE
-int iproute_main(int argc, char **argv);
+int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int iproute_main(int argc, char **argv)
 {
     ip_func = do_iproute;
@@ -62,7 +62,7 @@
 }
 #endif
 #if ENABLE_FEATURE_IP_RULE
-int iprule_main(int argc, char **argv);
+int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int iprule_main(int argc, char **argv)
 {
     ip_func = do_iprule;
@@ -70,7 +70,7 @@
 }
 #endif
 #if ENABLE_FEATURE_IP_TUNNEL
-int iptunnel_main(int argc, char **argv);
+int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int iptunnel_main(int argc, char **argv)
 {
     ip_func = do_iptunnel;
@@ -79,7 +79,7 @@
 #endif
 
 
-int ip_main(int argc, char **argv);
+int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ip_main(int argc, char **argv)
 {
 	static const char keywords[] ALIGN1 =
diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index 7597043..d7c968c 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -75,7 +75,7 @@
 		;
 #endif
 
-int ipcalc_main(int argc, char **argv);
+int ipcalc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ipcalc_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/networking/isrv_identd.c b/networking/isrv_identd.c
index 9bc3b60..a93de12 100644
--- a/networking/isrv_identd.c
+++ b/networking/isrv_identd.c
@@ -92,7 +92,7 @@
 	while (do_rd(0, (void*)&buf) == 0);
 }
 
-int fakeidentd_main(int argc, char **argv);
+int fakeidentd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fakeidentd_main(int argc, char **argv)
 {
 	enum {
diff --git a/networking/nameif.c b/networking/nameif.c
index 2114516..0369c08 100644
--- a/networking/nameif.c
+++ b/networking/nameif.c
@@ -55,7 +55,7 @@
 	return mac;
 }
 
-int nameif_main(int argc, char **argv);
+int nameif_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nameif_main(int argc, char **argv)
 {
 	mactable_t *clist = NULL;
diff --git a/networking/nc.c b/networking/nc.c
index 19750e5..b2f590a 100644
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -22,7 +22,7 @@
 	bb_error_msg_and_die("timed out");
 }
 
-int nc_main(int argc, char **argv);
+int nc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nc_main(int argc, char **argv)
 {
 	/* sfd sits _here_ only because of "repeat" option (-l -l). */
diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c
index ab82465..cbc0a64 100644
--- a/networking/nc_bloaty.c
+++ b/networking/nc_bloaty.c
@@ -668,7 +668,7 @@
 } /* readwrite */
 
 /* main: now we pull it all together... */
-int nc_main(int argc, char **argv);
+int nc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nc_main(int argc, char **argv)
 {
 	char *str_p, *str_s, *str_w;
diff --git a/networking/netstat.c b/networking/netstat.c
index e5ed10e..11f1419 100644
--- a/networking/netstat.c
+++ b/networking/netstat.c
@@ -484,7 +484,7 @@
  * Our main function.
  */
 
-int netstat_main(int argc, char **argv);
+int netstat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int netstat_main(int argc, char **argv)
 {
 	const char *net_conn_line_header = PRINT_NET_CONN_HEADER;
diff --git a/networking/nslookup.c b/networking/nslookup.c
index fab7e3e..183ae15 100644
--- a/networking/nslookup.c
+++ b/networking/nslookup.c
@@ -127,7 +127,7 @@
 	}
 }
 
-int nslookup_main(int argc, char **argv);
+int nslookup_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nslookup_main(int argc, char **argv)
 {
 	/* We allow 1 or 2 arguments.
diff --git a/networking/ping.c b/networking/ping.c
index 5d61cd7..8b70d9a 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -173,7 +173,7 @@
 }
 #endif
 
-int ping_main(int argc, char **argv);
+int ping_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ping_main(int argc, char **argv)
 {
 	len_and_sockaddr *lsa;
@@ -676,7 +676,7 @@
 		ping4(lsa);
 }
 
-int ping_main(int argc, char **argv);
+int ping_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ping_main(int argc, char **argv)
 {
 	len_and_sockaddr *lsa;
@@ -724,7 +724,7 @@
 
 
 #if ENABLE_PING6
-int ping6_main(int argc, char **argv);
+int ping6_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ping6_main(int argc, char **argv)
 {
 	argv[0] = (char*)"-6";
diff --git a/networking/pscan.c b/networking/pscan.c
index 5ae3e61..d18f8db 100644
--- a/networking/pscan.c
+++ b/networking/pscan.c
@@ -30,7 +30,7 @@
 /* We don't expect to see 1000+ seconds delay, unsigned is enough */
 #define MONOTONIC_US() ((unsigned)monotonic_us())
 
-int pscan_main(int argc, char **argv);
+int pscan_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pscan_main(int argc, char **argv)
 {
 	const char *opt_max_port = "1024";      /* -P: default max port */
diff --git a/networking/route.c b/networking/route.c
index 55a6c21..3425e63 100644
--- a/networking/route.c
+++ b/networking/route.c
@@ -640,7 +640,7 @@
 	"\010\002delete"  /* Since it's last, we can save a byte. */
 ;
 
-int route_main(int argc, char **argv);
+int route_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int route_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/networking/slattach.c b/networking/slattach.c
index ce6d705..17df4fa 100644
--- a/networking/slattach.c
+++ b/networking/slattach.c
@@ -119,7 +119,7 @@
 	restore_state_and_exit(0);
 }
 
-int slattach_main(int argc, char **argv);
+int slattach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int slattach_main(int argc, char **argv)
 {
 	/* Line discipline code table */
diff --git a/networking/telnet.c b/networking/telnet.c
index ae526fa..9085c58 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -550,8 +550,8 @@
 		tcsetattr(0, TCSADRAIN, &G.termios_def);
 }
 
-int telnet_main(int argc, char** argv);
-int telnet_main(int argc, char** argv)
+int telnet_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int telnet_main(int argc, char **argv)
 {
 	char *host;
 	int port;
diff --git a/networking/telnetd.c b/networking/telnetd.c
index b219912..27dde1a 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -360,7 +360,7 @@
 #endif
 
 
-int telnetd_main(int argc, char **argv);
+int telnetd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int telnetd_main(int argc, char **argv)
 {
 	fd_set rdfdset, wrfdset;
diff --git a/networking/tftp.c b/networking/tftp.c
index 59f53ae..a268397 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -391,7 +391,7 @@
 	return finished == 0; /* returns 1 on failure */
 }
 
-int tftp_main(int argc, char **argv);
+int tftp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tftp_main(int argc, char **argv)
 {
 	len_and_sockaddr *peer_lsa;
diff --git a/networking/traceroute.c b/networking/traceroute.c
index e8d486f..773fc6a 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -889,7 +889,7 @@
 	printf("  %u.%03u ms", tt/1000, tt%1000);
 }
 
-int traceroute_main(int argc, char **argv);
+int traceroute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int traceroute_main(int argc, char **argv)
 {
 	int code, n;
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 21b496c..e00379b 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -140,7 +140,7 @@
 }
 
 
-int udhcpc_main(int argc, char **argv);
+int udhcpc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int udhcpc_main(int argc, char **argv)
 {
 	uint8_t *temp, *message;
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index 4343f1c..9679e08 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -21,7 +21,7 @@
 /* struct server_config_t server_config is in bb_common_bufsiz1 */
 
 
-int udhcpd_main(int argc, char **argv);
+int udhcpd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int udhcpd_main(int argc, char **argv)
 {
 	fd_set rfds;
diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c
index 91fcb15..42378d6 100644
--- a/networking/udhcp/dhcprelay.c
+++ b/networking/udhcp/dhcprelay.c
@@ -279,7 +279,7 @@
 	}
 }
 
-int dhcprelay_main(int argc, char **argv);
+int dhcprelay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dhcprelay_main(int argc, char **argv)
 {
 	int num_sockets, max_socket;
diff --git a/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
index 3e931c0..218e6bc 100644
--- a/networking/udhcp/dumpleases.c
+++ b/networking/udhcp/dumpleases.c
@@ -7,7 +7,7 @@
 #include "common.h"
 #include "dhcpd.h"
 
-int dumpleases_main(int argc, char **argv);
+int dumpleases_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dumpleases_main(int argc, char **argv)
 {
 	int fd;
diff --git a/networking/vconfig.c b/networking/vconfig.c
index 8bd8870..7b6c2fa 100644
--- a/networking/vconfig.c
+++ b/networking/vconfig.c
@@ -106,7 +106,7 @@
 
 static const char conf_file_name[] ALIGN1 = "/proc/net/vlan/config";
 
-int vconfig_main(int argc, char **argv);
+int vconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int vconfig_main(int argc, char **argv)
 {
 	struct vlan_ioctl_args ifr;
diff --git a/networking/wget.c b/networking/wget.c
index 3f9954c..b12d19a 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -391,7 +391,7 @@
 }
 
 
-int wget_main(int argc, char **argv);
+int wget_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int wget_main(int argc, char **argv)
 {
 	char buf[512];
diff --git a/networking/zcip.c b/networking/zcip.c
index 62350c6..a16a642 100644
--- a/networking/zcip.c
+++ b/networking/zcip.c
@@ -156,7 +156,7 @@
 /**
  * main program
  */
-int zcip_main(int argc, char **argv);
+int zcip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int zcip_main(int argc, char **argv)
 {
 	int state = PROBE;
diff --git a/procps/free.c b/procps/free.c
index 42193fd..e76dd21 100644
--- a/procps/free.c
+++ b/procps/free.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int free_main(int argc, char **argv);
+int free_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int free_main(int argc, char **argv)
 {
 	struct sysinfo info;
diff --git a/procps/fuser.c b/procps/fuser.c
index 60c1095..36d634d 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -316,7 +316,7 @@
 	return success;
 }
 
-int fuser_main(int argc, char **argv);
+int fuser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fuser_main(int argc, char **argv)
 {
 	/*static -- huh???*/ int opt = 0; /* FUSER_OPT_ */
diff --git a/procps/kill.c b/procps/kill.c
index 323ee7b..0c7c160 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -24,7 +24,7 @@
  * This is needed to avoid collision with kill -9 ... syntax
  */
 
-int kill_main(int argc, char **argv);
+int kill_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int kill_main(int argc, char **argv)
 {
 	char *arg;
diff --git a/procps/nmeter.c b/procps/nmeter.c
index 127a3d1..b846ee5 100644
--- a/procps/nmeter.c
+++ b/procps/nmeter.c
@@ -770,7 +770,7 @@
 	init_cr
 };
 
-int nmeter_main(int argc, char **argv);
+int nmeter_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int nmeter_main(int argc, char **argv)
 {
 	char buf[32];
diff --git a/procps/pgrep.c b/procps/pgrep.c
index c5747a1..f5d4cfc 100644
--- a/procps/pgrep.c
+++ b/procps/pgrep.c
@@ -44,7 +44,7 @@
 		kill(pid, signo);
 }
 
-int pgrep_main(int argc, char **argv);
+int pgrep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pgrep_main(int argc, char **argv)
 {
 	unsigned pid = getpid();
diff --git a/procps/pidof.c b/procps/pidof.c
index 9629452..f295617 100644
--- a/procps/pidof.c
+++ b/procps/pidof.c
@@ -16,7 +16,7 @@
 	OPT_OMIT   = USE_FEATURE_PIDOF_OMIT(  (1<<OPTBIT_OMIT  )) + 0,
 };
 
-int pidof_main(int argc, char **argv);
+int pidof_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pidof_main(int argc, char **argv)
 {
 	unsigned first = 1;
diff --git a/procps/ps.c b/procps/ps.c
index f5c801d..08922eb 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -278,7 +278,7 @@
 	printf("%.*s\n", terminal_width, buffer);
 }
 
-int ps_main(int argc, char **argv);
+int ps_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ps_main(int argc, char **argv)
 {
 	procps_status_t *p;
@@ -340,7 +340,7 @@
 #else /* !ENABLE_DESKTOP */
 
 
-int ps_main(int argc, char **argv);
+int ps_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ps_main(int argc, char **argv)
 {
 	procps_status_t *p = NULL;
diff --git a/procps/renice.c b/procps/renice.c
index b2a9ed7..ab0d3a1 100644
--- a/procps/renice.c
+++ b/procps/renice.c
@@ -26,7 +26,7 @@
 void BUG_bad_PRIO_PGRP(void);
 void BUG_bad_PRIO_USER(void);
 
-int renice_main(int argc, char **argv);
+int renice_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int renice_main(int argc, char **argv)
 {
 	static const char Xetpriority_msg[] ALIGN1 = "%cetpriority";
diff --git a/procps/sysctl.c b/procps/sysctl.c
index 5100f57..a84f9ae 100644
--- a/procps/sysctl.c
+++ b/procps/sysctl.c
@@ -59,7 +59,7 @@
 /*
  *    sysctl_main()...
  */
-int sysctl_main(int argc, char **argv);
+int sysctl_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sysctl_main(int argc, char **argv)
 {
 	int retval = 0;
diff --git a/procps/top.c b/procps/top.c
index 1b8c185..7f1c83f 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -782,7 +782,7 @@
 		| PSSCAN_COMM,
 };
 
-int top_main(int argc, char **argv);
+int top_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int top_main(int argc, char **argv)
 {
 	int count, lines, col;
diff --git a/procps/uptime.c b/procps/uptime.c
index ee0657e..07e8d60 100644
--- a/procps/uptime.c
+++ b/procps/uptime.c
@@ -25,7 +25,7 @@
 #define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
 
 
-int uptime_main(int argc, char **argv);
+int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uptime_main(int argc, char **argv)
 {
 	int updays, uphours, upminutes;
diff --git a/procps/watch.c b/procps/watch.c
index 3d18105..76d2a87 100644
--- a/procps/watch.c
+++ b/procps/watch.c
@@ -23,7 +23,7 @@
 //
 // (procps 3.x and procps 2.x are forks, not newer/older versions of the same)
 
-int watch_main(int argc, char **argv);
+int watch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int watch_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/runit/chpst.c b/runit/chpst.c
index 1bc8e18..0f605cc 100644
--- a/runit/chpst.c
+++ b/runit/chpst.c
@@ -289,7 +289,7 @@
 static void envdir(int, char **) ATTRIBUTE_NORETURN;
 static void softlimit(int, char **) ATTRIBUTE_NORETURN;
 
-int chpst_main(int argc, char **argv);
+int chpst_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chpst_main(int argc, char **argv)
 {
 	INIT_G();
diff --git a/runit/runsv.c b/runit/runsv.c
index 7cf142d..8c5a4d4 100644
--- a/runit/runsv.c
+++ b/runit/runsv.c
@@ -439,7 +439,7 @@
 	return 1;
 }
 
-int runsv_main(int argc, char **argv);
+int runsv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int runsv_main(int argc, char **argv)
 {
 	struct stat s;
diff --git a/runit/runsvdir.c b/runit/runsvdir.c
index 924f771..9e98ca6 100644
--- a/runit/runsvdir.c
+++ b/runit/runsvdir.c
@@ -204,7 +204,7 @@
 	return 1;
 }
 
-int runsvdir_main(int argc, char **argv);
+int runsvdir_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int runsvdir_main(int argc, char **argv)
 {
 	struct stat s;
diff --git a/runit/sv.c b/runit/sv.c
index 757391a..e31adff 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -411,7 +411,7 @@
 	return 1;
 }
 
-int sv_main(int argc, char **argv);
+int sv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int sv_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/runit/svlogd.c b/runit/svlogd.c
index bf46ef7..5f682b1 100644
--- a/runit/svlogd.c
+++ b/runit/svlogd.c
@@ -843,7 +843,7 @@
 	}
 }
 
-int svlogd_main(int argc, char **argv);
+int svlogd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int svlogd_main(int argc, char **argv)
 {
 	char *r,*l,*b;
diff --git a/scripts/trylink b/scripts/trylink
index 6292dc6..25629aa 100755
--- a/scripts/trylink
+++ b/scripts/trylink
@@ -26,7 +26,7 @@
 # --enable-new-dtags            ?
 # -z,combreloc                  ?
 # -soname="libbusybox.so.$BB_VER"
-# --undefined=libbusybox_main   Seed name to start pulling from
+# --undefined=lbb_main          Seed name to start pulling from
 #                               (otherwise we'll need --whole-archive)
 # -static                       Not used, but may be useful! manpage:
 #                               "... This option can be used with -shared.
@@ -172,7 +172,7 @@
 	    -Wl,--enable-new-dtags \
 	    -Wl,-z,combreloc \
 	    -Wl,-soname="libbusybox.so.$BB_VER" \
-	    -Wl,--undefined=libbusybox_main \
+	    -Wl,--undefined=lbb_main \
 	    -Wl,--sort-common \
 	    -Wl,--sort-section -Wl,alignment \
 	    -Wl,--start-group $A_FILES -Wl,--end-group \
@@ -220,14 +220,14 @@
     while read name main junk; do
 
 	echo "\
-void bbox_prepare_main(char **argv);
+void lbb_prepare(char **argv);
 int $main(int argc, char **argv);
 
 const char *applet_name = \"$name\";
 
 int main(int argc, char **argv)
 {
-	bbox_prepare_main(argv);
+	lbb_prepare(argv);
 	return $main(argc, argv);
 }
 " >"$sharedlib_dir/applet.c"
diff --git a/selinux/chcon.c b/selinux/chcon.c
index 3609880..f00e242 100644
--- a/selinux/chcon.c
+++ b/selinux/chcon.c
@@ -120,7 +120,7 @@
 	;
 #endif
 
-int chcon_main(int argc, char **argv);
+int chcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int chcon_main(int argc, char **argv)
 {
 	char *reference_file;
diff --git a/selinux/getenforce.c b/selinux/getenforce.c
index 62b4263..e11e78e 100644
--- a/selinux/getenforce.c
+++ b/selinux/getenforce.c
@@ -8,7 +8,7 @@
 
 #include "libbb.h"
 
-int getenforce_main(int argc, char **argv);
+int getenforce_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int getenforce_main(int argc, char **argv)
 {
 	int rc;
diff --git a/selinux/getsebool.c b/selinux/getsebool.c
index 598a51c..ea080d4 100644
--- a/selinux/getsebool.c
+++ b/selinux/getsebool.c
@@ -8,7 +8,7 @@
 
 #include "libbb.h"
 
-int getsebool_main(int argc, char **argv);
+int getsebool_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int getsebool_main(int argc, char **argv)
 {
 	int i, rc = 0, active, pending, len = 0;
diff --git a/selinux/load_policy.c b/selinux/load_policy.c
index add5c66..f9aa49d 100644
--- a/selinux/load_policy.c
+++ b/selinux/load_policy.c
@@ -4,7 +4,7 @@
  */
 #include "libbb.h"
 
-int load_policy_main(int argc, char **argv);
+int load_policy_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int load_policy_main(int argc, char **argv)
 {
 	int rc;
diff --git a/selinux/matchpathcon.c b/selinux/matchpathcon.c
index bb7099e..6de68bc 100644
--- a/selinux/matchpathcon.c
+++ b/selinux/matchpathcon.c
@@ -29,7 +29,7 @@
 #define OPT_PREFIX      (1<<3)  /* -p */
 #define OPT_VERIFY      (1<<4)  /* -V */
 
-int matchpathcon_main(int argc, char **argv);
+int matchpathcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int matchpathcon_main(int argc, char **argv)
 {
 	int error = 0;
diff --git a/selinux/runcon.c b/selinux/runcon.c
index 37ac5d1..89a4b05 100644
--- a/selinux/runcon.c
+++ b/selinux/runcon.c
@@ -87,7 +87,7 @@
 #define OPTS_HELP	(1<<5)	/* h */
 #define OPTS_CONTEXT_COMPONENT		(OPTS_ROLE | OPTS_TYPE | OPTS_USER | OPTS_RANGE)
 
-int runcon_main(int argc, char **argv);
+int runcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int runcon_main(int argc, char **argv)
 {
 	char *role = NULL;
diff --git a/selinux/selinuxenabled.c b/selinux/selinuxenabled.c
index 8a9c7cd..114d2b6 100644
--- a/selinux/selinuxenabled.c
+++ b/selinux/selinuxenabled.c
@@ -7,7 +7,7 @@
  */
 #include "libbb.h"
 
-int selinuxenabled_main(int argc, char **argv);
+int selinuxenabled_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int selinuxenabled_main(int argc, char **argv)
 {
 	return !is_selinux_enabled();
diff --git a/selinux/setenforce.c b/selinux/setenforce.c
index 59b1b0f..198324c 100644
--- a/selinux/setenforce.c
+++ b/selinux/setenforce.c
@@ -19,7 +19,7 @@
 	NULL,
 };
 
-int setenforce_main(int argc, char **argv);
+int setenforce_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setenforce_main(int argc, char **argv)
 {
 	int i, rc;
diff --git a/selinux/setfiles.c b/selinux/setfiles.c
index 5ae482e..905333f 100644
--- a/selinux/setfiles.c
+++ b/selinux/setfiles.c
@@ -486,7 +486,7 @@
 	goto out;
 }
 
-int setfiles_main(int argc, char **argv);
+int setfiles_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setfiles_main(int argc, char **argv)
 {
 	struct stat sb;
diff --git a/shell/ash.c b/shell/ash.c
index af96c4d..2b9a8cc 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12739,7 +12739,7 @@
  * exception occurs.  When an exception occurs the variable "state"
  * is used to figure out how far we had gotten.
  */
-int ash_main(int argc, char **argv);
+int ash_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ash_main(int argc, char **argv)
 {
 	char *shinit;
diff --git a/shell/bbsh.c b/shell/bbsh.c
index 09c4bd9..02e6050 100644
--- a/shell/bbsh.c
+++ b/shell/bbsh.c
@@ -198,7 +198,7 @@
 	}
 }
 
-int bbsh_main(int argc, char **argv);
+int bbsh_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int bbsh_main(int argc, char **argv)
 {
 	char *command=NULL;
diff --git a/shell/hush.c b/shell/hush.c
index 1977da0..a763277 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -3675,7 +3675,7 @@
 }
 #endif
 
-int hush_main(int argc, char **argv);
+int hush_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hush_main(int argc, char **argv)
 {
 	static const char version_str[] ALIGN1 = "HUSH_VERSION="HUSH_VER_STR;
diff --git a/shell/lash.c b/shell/lash.c
index b7a0a6a..ce1ce7f 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -1491,7 +1491,7 @@
 }
 #endif
 
-int lash_main(int argc_l, char **argv_l);
+int lash_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int lash_main(int argc_l, char **argv_l)
 {
 	unsigned opt;
diff --git a/shell/msh.c b/shell/msh.c
index 41fe1b6..7efd7f9 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -5164,7 +5164,7 @@
  * shell
  */
 
-int msh_main(int argc, char **argv);
+int msh_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int msh_main(int argc, char **argv)
 {
 	int f;
diff --git a/sysklogd/klogd.c b/sysklogd/klogd.c
index 2af4105..1164246 100644
--- a/sysklogd/klogd.c
+++ b/sysklogd/klogd.c
@@ -35,7 +35,7 @@
 #define KLOGD_LOGBUF_SIZE BUFSIZ
 #define log_buffer bb_common_bufsiz1
 
-int klogd_main(int argc, char **argv);
+int klogd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int klogd_main(int argc, char **argv)
 {
 	int i = i; /* silence gcc */
diff --git a/sysklogd/logger.c b/sysklogd/logger.c
index 6e1debd..e2d0746 100644
--- a/sysklogd/logger.c
+++ b/sysklogd/logger.c
@@ -81,7 +81,7 @@
 }
 
 
-int logger_main(int argc, char **argv);
+int logger_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int logger_main(int argc, char **argv)
 {
 	char *str_p, *str_t;
diff --git a/sysklogd/logread.c b/sysklogd/logread.c
index 69a084f..6567df3 100644
--- a/sysklogd/logread.c
+++ b/sysklogd/logread.c
@@ -53,7 +53,7 @@
 	exit(0);
 }
 
-int logread_main(int argc, char **argv);
+int logread_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int logread_main(int argc, char **argv)
 {
 	int cur;
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index f27bd83..284e574 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -556,7 +556,7 @@
 	} /* for */
 }
 
-int syslogd_main(int argc, char **argv);
+int syslogd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int syslogd_main(int argc, char **argv)
 {
 	char OPTION_DECL;
diff --git a/util-linux/dmesg.c b/util-linux/dmesg.c
index 3aa99e5..1adb0fc 100644
--- a/util-linux/dmesg.c
+++ b/util-linux/dmesg.c
@@ -12,7 +12,7 @@
 #include <sys/klog.h>
 #include "libbb.h"
 
-int dmesg_main(int argc, char **argv);
+int dmesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int dmesg_main(int argc, char **argv)
 {
 	char *size, *level;
diff --git a/util-linux/fbset.c b/util-linux/fbset.c
index a2b8b38..f67a283 100644
--- a/util-linux/fbset.c
+++ b/util-linux/fbset.c
@@ -309,7 +309,7 @@
 #ifdef STANDALONE
 int main(int argc, char **argv)
 #else
-int fbset_main(int argc, char **argv);
+int fbset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fbset_main(int argc, char **argv)
 #endif
 {
diff --git a/util-linux/fdformat.c b/util-linux/fdformat.c
index dc45e23..c4f97ae 100644
--- a/util-linux/fdformat.c
+++ b/util-linux/fdformat.c
@@ -1,12 +1,7 @@
 /* vi: set sw=4 ts=4: */
 /* fdformat.c  -  Low-level formats a floppy disk - Werner Almesberger */
 
-/* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
- * - added Native Language Support
- * 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- * - more i18n/nls translatable strings marked
- *
- * 5 July 2003 -- modified for Busybox by Erik Andersen
+/* 5 July 2003 -- modified for Busybox by Erik Andersen
  */
 
 #include "libbb.h"
@@ -45,8 +40,8 @@
 #define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
 #define FD_FILL_BYTE 0xF6 /* format fill byte. */
 
-int fdformat_main(int argc,char **argv);
-int fdformat_main(int argc,char **argv)
+int fdformat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int fdformat_main(int argc, char **argv)
 {
 	int fd, n, cyl, read_bytes, verify;
 	unsigned char *data;
@@ -116,7 +111,7 @@
 			/* Check backwards so we don't need a counter */
 			while (--read_bytes >= 0) {
 				if (data[read_bytes] != FD_FILL_BYTE) {
-					 printf("bad data in cyl %d\nContinuing... ",cyl);
+					 printf("bad data in cyl %d\nContinuing... ", cyl);
 				}
 			}
 		}
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 9f30571..01c01bd 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -2735,7 +2735,7 @@
 }
 #endif
 
-int fdisk_main(int argc, char **argv);
+int fdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fdisk_main(int argc, char **argv)
 {
 	char *str_b, *str_C, *str_H, *str_S;
diff --git a/util-linux/freeramdisk.c b/util-linux/freeramdisk.c
index 4bd9378..bde6afc 100644
--- a/util-linux/freeramdisk.c
+++ b/util-linux/freeramdisk.c
@@ -14,7 +14,7 @@
 /* From <linux/fd.h> */
 #define FDFLUSH  _IO(2,0x4b)
 
-int freeramdisk_main(int argc, char **argv);
+int freeramdisk_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int freeramdisk_main(int argc, char **argv)
 {
 	int fd;
diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c
index 5f92f35..deb82f7 100644
--- a/util-linux/fsck_minix.c
+++ b/util-linux/fsck_minix.c
@@ -1249,7 +1249,7 @@
 void check2(void);
 #endif
 
-int fsck_minix_main(int argc, char **argv);
+int fsck_minix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int fsck_minix_main(int argc, char **argv)
 {
 	struct termios tmp;
diff --git a/util-linux/getopt.c b/util-linux/getopt.c
index 4767d58..061750e 100644
--- a/util-linux/getopt.c
+++ b/util-linux/getopt.c
@@ -279,8 +279,8 @@
 	;
 #endif
 
-int getopt_main(int argc, char *argv[]);
-int getopt_main(int argc, char *argv[])
+int getopt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int getopt_main(int argc, char **argv)
 {
 	char *optstr = NULL;
 	char *name = NULL;
diff --git a/util-linux/hexdump.c b/util-linux/hexdump.c
index e294f19..e6820ae 100644
--- a/util-linux/hexdump.c
+++ b/util-linux/hexdump.c
@@ -54,7 +54,7 @@
 	{ }
 };
 
-int hexdump_main(int argc, char **argv);
+int hexdump_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hexdump_main(int argc, char **argv)
 {
 	const char *p;
diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c
index 09b09eb..f91379b 100644
--- a/util-linux/hwclock.c
+++ b/util-linux/hwclock.c
@@ -171,7 +171,7 @@
 #define HWCLOCK_OPT_SYSTOHC     0x10
 #define HWCLOCK_OPT_RTCFILE     0x20
 
-int hwclock_main(int argc, char **argv);
+int hwclock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int hwclock_main(int argc, char **argv)
 {
 	unsigned opt;
diff --git a/util-linux/ipcrm.c b/util-linux/ipcrm.c
index f49d28e..a9400d1 100644
--- a/util-linux/ipcrm.c
+++ b/util-linux/ipcrm.c
@@ -76,7 +76,7 @@
 #endif /* IPCRM_LEGACY */
 
 
-int ipcrm_main(int argc, char **argv);
+int ipcrm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ipcrm_main(int argc, char **argv)
 {
 	int c;
diff --git a/util-linux/ipcs.c b/util-linux/ipcs.c
index d532590..c7b46f5 100644
--- a/util-linux/ipcs.c
+++ b/util-linux/ipcs.c
@@ -558,7 +558,7 @@
 	bb_putchar('\n');
 }
 
-int ipcs_main(int argc, char **argv);
+int ipcs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ipcs_main(int argc, char **argv)
 {
 	int id = 0;
diff --git a/util-linux/losetup.c b/util-linux/losetup.c
index c61af3d..a9ecfd5 100644
--- a/util-linux/losetup.c
+++ b/util-linux/losetup.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int losetup_main(int argc, char **argv);
+int losetup_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int losetup_main(int argc, char **argv)
 {
 	char dev[] = LOOP_NAME"0";
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 33dc5d3..a9c1469 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -287,7 +287,7 @@
 	}
 }
 
-int mdev_main(int argc, char **argv);
+int mdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mdev_main(int argc, char **argv)
 {
 	char *action;
diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c
index 2b0697a..de9dde3 100644
--- a/util-linux/mkfs_minix.c
+++ b/util-linux/mkfs_minix.c
@@ -603,7 +603,7 @@
 	printf("Maxsize=%ld\n", (long)SB_MAXSIZE);
 }
 
-int mkfs_minix_main(int argc, char **argv);
+int mkfs_minix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mkfs_minix_main(int argc, char **argv)
 {
 	struct mntent *mp;
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index 88f1fbb..af4cc10 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -8,7 +8,7 @@
 
 #include "libbb.h"
 
-int mkswap_main(int argc, char **argv);
+int mkswap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mkswap_main(int argc, char **argv)
 {
 	int fd, pagesize;
diff --git a/util-linux/more.c b/util-linux/more.c
index 0a21a9a..ee559b1 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -52,7 +52,7 @@
 
 #define CONVERTED_TAB_SIZE 8
 
-int more_main(int argc, char **argv);
+int more_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int more_main(int argc, char **argv)
 {
 	int c = c; /* for gcc */
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 10ada54..7c58aef 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -1559,7 +1559,7 @@
 
 static const char must_be_root[] ALIGN1 = "you must be root";
 
-int mount_main(int argc, char **argv);
+int mount_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int mount_main(int argc, char **argv)
 {
 	enum { OPT_ALL = 0x10 };
diff --git a/util-linux/pivot_root.c b/util-linux/pivot_root.c
index 929ed30..28af00c 100644
--- a/util-linux/pivot_root.c
+++ b/util-linux/pivot_root.c
@@ -12,7 +12,7 @@
 
 extern int pivot_root(const char * new_root,const char * put_old);
 
-int pivot_root_main(int argc, char **argv);
+int pivot_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int pivot_root_main(int argc, char **argv)
 {
 	if (argc != 3)
diff --git a/util-linux/rdate.c b/util-linux/rdate.c
index 4387f04..150efbe 100644
--- a/util-linux/rdate.c
+++ b/util-linux/rdate.c
@@ -42,7 +42,7 @@
 	return ntohl(nett) - RFC_868_BIAS;
 }
 
-int rdate_main(int argc, char **argv);
+int rdate_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int rdate_main(int argc, char **argv)
 {
 	time_t remote_time;
diff --git a/util-linux/readprofile.c b/util-linux/readprofile.c
index 1521376..dbe7c71 100644
--- a/util-linux/readprofile.c
+++ b/util-linux/readprofile.c
@@ -41,7 +41,7 @@
 static const char defaultmap[] ALIGN1 = "/boot/System.map";
 static const char defaultpro[] ALIGN1 = "/proc/profile";
 
-int readprofile_main(int argc, char **argv);
+int readprofile_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int readprofile_main(int argc, char **argv)
 {
 	FILE *map;
diff --git a/util-linux/setarch.c b/util-linux/setarch.c
index 08294e5..dbc02de 100644
--- a/util-linux/setarch.c
+++ b/util-linux/setarch.c
@@ -11,7 +11,7 @@
 
 #include "libbb.h"
 
-int setarch_main(int ATTRIBUTE_UNUSED argc, char **argv);
+int setarch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int setarch_main(int ATTRIBUTE_UNUSED argc, char **argv)
 {
 	int pers = -1;
diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c
index db43aa5..6858d26 100644
--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -58,7 +58,7 @@
 	return err;
 }
 
-int swap_on_off_main(int argc, char **argv);
+int swap_on_off_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int swap_on_off_main(int argc, char **argv)
 {
 	int ret;
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index e4e9e21..700f799 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -64,7 +64,7 @@
 	} else unlink(directory);
 }
 
-int switch_root_main(int argc, char **argv);
+int switch_root_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int switch_root_main(int argc, char **argv)
 {
 	char *newroot, *console = NULL;
diff --git a/util-linux/umount.c b/util-linux/umount.c
index c57a49e..17d88b3 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -21,7 +21,7 @@
 #define OPT_REMOUNT             (1 << 4)
 #define OPT_ALL                 (ENABLE_FEATURE_UMOUNT_ALL ? (1 << 5) : 0)
 
-int umount_main(int argc, char **argv);
+int umount_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int umount_main(int argc, char **argv)
 {
 	int doForce;