Robert P. Day removed 8 gazillion occurrences of "extern" on function

definitions.  (That should only be on prototypes.)

applets/applets.c

@@ -405,7 +405,7 @@ static void check_suid (struct BB_applet *applet)
 
 
 
-extern void bb_show_usage (void)
+void bb_show_usage (void)
 {
   const char *format_string;
   const char *usage_string = usage_messages;

archival/ar.c

@@ -57,7 +57,7 @@ static void header_verbose_list_ar(const file_header_t *file_header)
 #define AR_OPT_CREATE		0x20
 #define AR_OPT_INSERT		0x40
 
-extern int ar_main(int argc, char **argv)
+int ar_main(int argc, char **argv)
 {
 	archive_handle_t *archive_handle;
 	unsigned long opt;

archival/cpio.c

@@ -38,7 +38,7 @@
 #define CPIO_OPT_CREATE_LEADING_DIR	0x20
 #define CPIO_OPT_PRESERVE_MTIME		0x40
 
-extern int cpio_main(int argc, char **argv)
+int cpio_main(int argc, char **argv)
 {
 	archive_handle_t *archive_handle;
 	char *cpio_filename = NULL;

archival/dpkg_deb.c

@@ -28,7 +28,7 @@
 #define DPKG_DEB_OPT_EXTRACT	8
 #define DPKG_DEB_OPT_EXTRACT_VERBOSE	16
 
-extern int dpkg_deb_main(int argc, char **argv)
+int dpkg_deb_main(int argc, char **argv)
 {
 	archive_handle_t *ar_archive;
 	archive_handle_t *tar_archive;

archival/gunzip.c

@@ -75,7 +75,7 @@ static char *license_msg[] = {
 #define GUNZIP_OPT_TEST		4
 #define GUNZIP_OPT_DECOMPRESS	8
 
-extern int gunzip_main(int argc, char **argv)
+int gunzip_main(int argc, char **argv)
 {
 	char status = EXIT_SUCCESS;
 	unsigned long opt;

archival/libunarchive/archive_xread_all.c

@@ -20,7 +20,7 @@
 #include "unarchive.h"
 #include "libbb.h"
 
-extern void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count)
+void archive_xread_all(const archive_handle_t *archive_handle, void *buf, const size_t count)
 {
 	ssize_t size;
 

archival/libunarchive/archive_xread_all_eof.c

@@ -20,7 +20,7 @@
 #include "unarchive.h"
 #include "libbb.h"
 
-extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count)
+ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned char *buf, size_t count)
 {
 	ssize_t size;
 

archival/libunarchive/check_header_gzip.c

@@ -3,7 +3,7 @@
 #include "libbb.h"
 #include "unarchive.h" /* for external decl of check_header_gzip */
 
-extern void check_header_gzip(int src_fd)
+void check_header_gzip(int src_fd)
 {
 	union {
 		unsigned char raw[8];

archival/libunarchive/data_align.c

@@ -22,7 +22,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary)
+void data_align(archive_handle_t *archive_handle, const unsigned short boundary)
 {
 	const unsigned short skip_amount = (boundary - (archive_handle->offset % boundary)) % boundary;
 

archival/libunarchive/data_extract_all.c

@@ -27,7 +27,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern void data_extract_all(archive_handle_t *archive_handle)
+void data_extract_all(archive_handle_t *archive_handle)
 {
 	file_header_t *file_header = archive_handle->file_header;
 	int dst_fd;

archival/libunarchive/data_extract_to_buffer.c

@@ -17,7 +17,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern void data_extract_to_buffer(archive_handle_t *archive_handle)
+void data_extract_to_buffer(archive_handle_t *archive_handle)
 {
 	const unsigned int size = archive_handle->file_header->size;
 

archival/libunarchive/data_extract_to_stdout.c

@@ -17,7 +17,7 @@
 #include "unarchive.h"
 #include <unistd.h>
 
-extern void data_extract_to_stdout(archive_handle_t *archive_handle)
+void data_extract_to_stdout(archive_handle_t *archive_handle)
 {
 	bb_copyfd_size(archive_handle->src_fd, STDOUT_FILENO, archive_handle->file_header->size);
 }

archival/libunarchive/data_skip.c

@@ -21,7 +21,7 @@
 #include "unarchive.h"
 #include "libbb.h"
 
-extern void data_skip(archive_handle_t *archive_handle)
+void data_skip(archive_handle_t *archive_handle)
 {
 	archive_handle->seek(archive_handle, archive_handle->file_header->size);
 }

archival/libunarchive/decompress_bunzip2.c

@@ -684,7 +684,7 @@ static int start_bunzip(bunzip_data **bdp, int in_fd, unsigned char *inbuf,
 /* Example usage: decompress src_fd to dst_fd.  (Stops at end of bzip data,
    not end of file.) */
 
-extern int uncompressStream(int src_fd, int dst_fd)
+int uncompressStream(int src_fd, int dst_fd)
 {
 	char *outbuf;
 	bunzip_data *bd;

archival/libunarchive/decompress_uncompress.c

@@ -95,7 +95,7 @@ static unsigned short codetab[HSIZE];
  * with those of the compress() routine.  See the definitions above.
  */
 
-extern int uncompress(int fd_in, int fd_out)
+int uncompress(int fd_in, int fd_out)
 {
 	unsigned char *stackp;
 	long int code;

archival/libunarchive/decompress_unzip.c

@@ -892,7 +892,7 @@ static int inflate_get_next_window(void)
 }
 
 /* Initialise bytebuffer, be careful not to overfill the buffer */
-extern void inflate_init(unsigned int bufsize)
+void inflate_init(unsigned int bufsize)
 {
 	/* Set the bytebuffer size, default is same as gunzip_wsize */
 	bytebuffer_max = bufsize + 8;
@@ -900,12 +900,12 @@ extern void inflate_init(unsigned int bufsize)
 	bytebuffer_size = 0;
 }
 
-extern void inflate_cleanup(void)
+void inflate_cleanup(void)
 {
 	free(bytebuffer);
 }
 
-extern int inflate_unzip(int in, int out)
+int inflate_unzip(int in, int out)
 {
 	ssize_t nwrote;
 	typedef void (*sig_type) (int);
@@ -952,7 +952,7 @@ extern int inflate_unzip(int in, int out)
 	return 0;
 }
 
-extern int inflate_gunzip(int in, int out)
+int inflate_gunzip(int in, int out)
 {
 	unsigned int stored_crc = 0;
 	unsigned int count;

archival/libunarchive/filter_accept_all.c

@@ -22,7 +22,7 @@
 #include "unarchive.h"
 
 /* Accept any non-null name, its not really a filter at all */
-extern char filter_accept_all(archive_handle_t *archive_handle)
+char filter_accept_all(archive_handle_t *archive_handle)
 {
 	if (archive_handle->file_header->name) {
 		return(EXIT_SUCCESS);

archival/libunarchive/filter_accept_list.c

@@ -24,7 +24,7 @@
 /*
  * Accept names that are in the accept list, ignoring reject list.
  */
-extern char filter_accept_list(archive_handle_t *archive_handle)
+char filter_accept_list(archive_handle_t *archive_handle)
 {
 	if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
 		return(EXIT_SUCCESS);

archival/libunarchive/filter_accept_list_reassign.c

@@ -28,7 +28,7 @@
  *  e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
  *       or if its a .tar.bz2 make archive_handle->sub_archive handle that
  */
-extern char filter_accept_list_reassign(archive_handle_t *archive_handle)
+char filter_accept_list_reassign(archive_handle_t *archive_handle)
 {
 	/* Check the file entry is in the accept list */
 	if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {

archival/libunarchive/filter_accept_reject_list.c

@@ -24,7 +24,7 @@
 /*
  * Accept names that are in the accept list and not in the reject list
  */
-extern char filter_accept_reject_list(archive_handle_t *archive_handle)
+char filter_accept_reject_list(archive_handle_t *archive_handle)
 {
 	const char *key = archive_handle->file_header->name;
 	const llist_t *accept_entry = find_list_entry(archive_handle->accept, key);

archival/libunarchive/find_list_entry.c

@@ -18,7 +18,7 @@
 #include <stdlib.h>
 #include "unarchive.h"
 
-extern const llist_t *find_list_entry(const llist_t *list, const char *filename)
+const llist_t *find_list_entry(const llist_t *list, const char *filename)
 {
 	while (list) {
 		if (fnmatch(list->data, filename, 0) == 0) {

archival/libunarchive/get_header_ar.c

@@ -21,7 +21,7 @@
 #include "unarchive.h"
 #include "libbb.h"
 
-extern char get_header_ar(archive_handle_t *archive_handle)
+char get_header_ar(archive_handle_t *archive_handle)
 {
 	file_header_t *typed = archive_handle->file_header;
 	union {

archival/libunarchive/get_header_cpio.c

@@ -28,7 +28,7 @@ typedef struct hardlinks_s {
 	struct hardlinks_s *next;
 } hardlinks_t;
 
-extern char get_header_cpio(archive_handle_t *archive_handle)
+char get_header_cpio(archive_handle_t *archive_handle)
 {
 	static hardlinks_t *saved_hardlinks = NULL;
 	static unsigned short pending_hardlinks = 0;

archival/libunarchive/get_header_tar.c

@@ -22,7 +22,7 @@ static char *longname = NULL;
 static char *linkname = NULL;
 #endif
 
-extern char get_header_tar(archive_handle_t *archive_handle)
+char get_header_tar(archive_handle_t *archive_handle)
 {
 	file_header_t *file_header = archive_handle->file_header;
 	union {

archival/libunarchive/get_header_tar_bz2.c

@@ -24,7 +24,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern char get_header_tar_bz2(archive_handle_t *archive_handle)
+char get_header_tar_bz2(archive_handle_t *archive_handle)
 {
 	/* Cant lseek over pipe's */
 	archive_handle->seek = seek_by_char;

archival/libunarchive/get_header_tar_gz.c

@@ -19,7 +19,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern char get_header_tar_gz(archive_handle_t *archive_handle)
+char get_header_tar_gz(archive_handle_t *archive_handle)
 {
 	unsigned char magic[2];
 

archival/libunarchive/header_list.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include "unarchive.h"
 
-extern void header_list(const file_header_t *file_header)
+void header_list(const file_header_t *file_header)
 {
 	puts(file_header->name);
 }

archival/libunarchive/header_skip.c

@@ -1,6 +1,6 @@
 #include <stdio.h>
 #include "unarchive.h"
 
-extern void header_skip(const file_header_t *file_header ATTRIBUTE_UNUSED)
+void header_skip(const file_header_t *file_header ATTRIBUTE_UNUSED)
 {
 }

archival/libunarchive/header_verbose_list.c

@@ -4,7 +4,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern void header_verbose_list(const file_header_t *file_header)
+void header_verbose_list(const file_header_t *file_header)
 {
 	struct tm *mtime = localtime(&(file_header->mtime));
 

archival/libunarchive/open_transformer.c

@@ -20,7 +20,7 @@
 #include "libbb.h"
 
 /* transformer(), more than meets the eye */
-extern int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd))
+int open_transformer(int src_fd, int (*transformer)(int src_fd, int dst_fd))
 {
 	int fd_pipe[2];
 	int pid;

archival/libunarchive/seek_by_char.c

@@ -24,7 +24,7 @@
  *
  *  TODO: rename to seek_by_read
  */
-extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int jump_size)
+void seek_by_char(const archive_handle_t *archive_handle, const unsigned int jump_size)
 {
 	if (jump_size) {
 		bb_copyfd_size(archive_handle->src_fd, -1, jump_size);

archival/libunarchive/seek_by_jump.c

@@ -22,7 +22,7 @@
 #include "libbb.h"
 #include "unarchive.h"
 
-extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount)
+void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount)
 {
 	if (lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1) {
 #ifdef CONFIG_FEATURE_UNARCHIVE_TAPE

archival/libunarchive/unpack_ar_archive.c

@@ -19,7 +19,7 @@
 #include "unarchive.h"
 #include "busybox.h"
 
-extern void unpack_ar_archive(archive_handle_t *ar_archive)
+void unpack_ar_archive(archive_handle_t *ar_archive)
 {
 	char magic[7];
 

archival/rpm2cpio.c

@@ -66,7 +66,7 @@ static void skip_header(int rpm_fd)
 }
 
 /* No getopt required */
-extern int rpm2cpio_main(int argc, char **argv)
+int rpm2cpio_main(int argc, char **argv)
 {
 	struct rpm_lead lead;
 	int rpm_fd;

archival/uncompress.c

@@ -30,7 +30,7 @@
 #define GUNZIP_TO_STDOUT	1
 #define GUNZIP_FORCE	2
 
-extern int uncompress_main(int argc, char **argv)
+int uncompress_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
 	unsigned long flags;

archival/unzip.c

@@ -125,7 +125,7 @@ static void unzip_extract(zip_header_t *zip_header, int src_fd, int dst_fd)
 	}
 }
 
-extern int unzip_main(int argc, char **argv)
+int unzip_main(int argc, char **argv)
 {
 	zip_header_t zip_header;
 	enum {v_silent, v_normal, v_list} verbosity = v_normal;

console-tools/clear.c

@@ -27,7 +27,7 @@
 #include "busybox.h"
 
 
-extern int clear_main(int argc, char **argv)
+int clear_main(int argc, char **argv)
 {
 	return printf("\033[H\033[J") != 6;
 }

console-tools/loadfont.c

@@ -39,7 +39,7 @@ struct psf_header {
 
 static void loadnewfont(int fd);
 
-extern int loadfont_main(int argc, char **argv)
+int loadfont_main(int argc, char **argv)
 {
 	int fd;
 

console-tools/reset.c

@@ -28,7 +28,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int reset_main(int argc, char **argv)
+int reset_main(int argc, char **argv)
 {
 	if (isatty(1)) {
 		/* See 'man 4 console_codes' for details:

coreutils/basename.c

@@ -37,7 +37,7 @@
 #include <string.h>
 #include "busybox.h"
 
-extern int basename_main(int argc, char **argv)
+int basename_main(int argc, char **argv)
 {
 	size_t m, n;
 	char *s;

coreutils/cat.c

@@ -40,7 +40,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int cat_main(int argc, char **argv)
+int cat_main(int argc, char **argv)
 {
 	FILE *f;
 	int retval = EXIT_SUCCESS;

coreutils/cp.c

@@ -28,7 +28,7 @@
 #include "busybox.h"
 #include "libcoreutils/coreutils.h"
 
-extern int cp_main(int argc, char **argv)
+int cp_main(int argc, char **argv)
 {
 	struct stat source_stat;
 	struct stat dest_stat;

coreutils/cut.c

@@ -289,7 +289,7 @@ static void cut_file(FILE *file)
 }
 
 
-extern int cut_main(int argc, char **argv)
+int cut_main(int argc, char **argv)
 {
 	unsigned long opt;
 	char *sopt, *sdopt;

coreutils/df.c

@@ -46,7 +46,7 @@ static long kscale(long b, long bs)
 }
 #endif
 
-extern int df_main(int argc, char **argv)
+int df_main(int argc, char **argv)
 {
 	long blocks_used;
 	long blocks_percent_used;

coreutils/dirname.c

@@ -27,7 +27,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int dirname_main(int argc, char **argv)
+int dirname_main(int argc, char **argv)
 {
 	if (argc != 2) {
 		bb_show_usage();

coreutils/echo.c

@@ -22,7 +22,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int echo_main(int argc, char** argv)
+int echo_main(int argc, char** argv)
 {
 	(void)bb_echo(argc, argv);
 	bb_fflush_stdout_and_exit(EXIT_SUCCESS);

coreutils/env.c

@@ -57,7 +57,7 @@ static const struct option env_long_options[] = {
 	{ 0, 0, 0, 0 }
 };
 
-extern int env_main(int argc, char** argv)
+int env_main(int argc, char** argv)
 {
 	static char *cleanenv[1] = { NULL };
 

coreutils/false.c

@@ -13,7 +13,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv)
+int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv)
 {
 	return EXIT_FAILURE;
 }

coreutils/fold.c

@@ -44,7 +44,7 @@ static int adjust_column(int column, char c)
 	return column;
 }
 
-extern int fold_main(int argc, char **argv)
+int fold_main(int argc, char **argv)
 {
 	char *w_opt;
 	int width = 80;

coreutils/hostid.c

@@ -13,7 +13,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int hostid_main(int argc, char ATTRIBUTE_UNUSED **argv)
+int hostid_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	if (argc > 1) {
 		bb_show_usage();

coreutils/id.c

@@ -53,7 +53,7 @@ static short printf_full(unsigned int id, const char *arg, const char prefix)
 	return status;
 }
 
-extern int id_main(int argc, char **argv)
+int id_main(int argc, char **argv)
 {
 	struct passwd *p;
 	uid_t uid;

coreutils/install.c

@@ -49,7 +49,7 @@ static const struct option install_long_options[] = {
 	{ 0,	0,	0,	0 }
 };
 
-extern int install_main(int argc, char **argv)
+int install_main(int argc, char **argv)
 {
 	mode_t mode;
 	uid_t uid;

coreutils/length.c

@@ -7,7 +7,7 @@
 #include <stdio.h>
 #include "busybox.h"
 
-extern int length_main(int argc, char **argv)
+int length_main(int argc, char **argv)
 {
 	if ((argc != 2) ||  (**(++argv) == '-')) {
 	    bb_show_usage();

coreutils/libcoreutils/cp_mv_stat.c

@@ -25,7 +25,7 @@
 #include "libbb.h"
 #include "coreutils.h"
 
-extern int cp_mv_stat2(const char *fn, struct stat *fn_stat, stat_func sf)
+int cp_mv_stat2(const char *fn, struct stat *fn_stat, stat_func sf)
 {
 	if (sf(fn, fn_stat) < 0) {
 		if (errno != ENOENT) {
@@ -39,7 +39,7 @@ extern int cp_mv_stat2(const char *fn, struct stat *fn_stat, stat_func sf)
 	return 1;
 }
 
-extern int cp_mv_stat(const char *fn, struct stat *fn_stat)
+int cp_mv_stat(const char *fn, struct stat *fn_stat)
 {
 	return cp_mv_stat2(fn, fn_stat, stat);
 }

coreutils/libcoreutils/getopt_mk_fifo_nod.c

@@ -26,7 +26,7 @@
 #include "libbb.h"
 #include "coreutils.h"
 
-extern mode_t getopt_mk_fifo_nod(int argc, char **argv)
+mode_t getopt_mk_fifo_nod(int argc, char **argv)
 {
 	mode_t mode = 0666;
 	char *smode = NULL;

coreutils/ln.c

@@ -36,7 +36,7 @@
 #define LN_BACKUP           8
 #define LN_SUFFIX           16
 
-extern int ln_main(int argc, char **argv)
+int ln_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
 	int flag;

coreutils/logname.c

@@ -25,7 +25,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)
+int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	const char *p;
 

coreutils/ls.c

@@ -955,7 +955,7 @@ static const unsigned opt_flags[] = {
 
 /*----------------------------------------------------------------------*/
 
-extern int ls_main(int argc, char **argv)
+int ls_main(int argc, char **argv)
 {
 	struct dnode **dnd;
 	struct dnode **dnf;

coreutils/mkdir.c

@@ -40,7 +40,7 @@ static const struct option mkdir_long_options[] = {
 	{ 0, 0, 0, 0 }
 };
 
-extern int mkdir_main (int argc, char **argv)
+int mkdir_main (int argc, char **argv)
 {
 	mode_t mode = (mode_t)(-1);
 	int status = EXIT_SUCCESS;

coreutils/mkfifo.c

@@ -29,7 +29,7 @@
 #include "busybox.h"
 #include "libcoreutils/coreutils.h"
 
-extern int mkfifo_main(int argc, char **argv)
+int mkfifo_main(int argc, char **argv)
 {
 	mode_t mode;
 	int retval = EXIT_SUCCESS;

coreutils/mknod.c

@@ -32,7 +32,7 @@
 static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
 static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
 
-extern int mknod_main(int argc, char **argv)
+int mknod_main(int argc, char **argv)
 {
 	mode_t mode;
 	dev_t dev;

coreutils/mv.c

@@ -46,7 +46,7 @@ static const struct option mv_long_options[] = {
 
 static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory";
 
-extern int mv_main(int argc, char **argv)
+int mv_main(int argc, char **argv)
 {
 	struct stat dest_stat;
 	const char *last;

coreutils/pwd.c

@@ -24,7 +24,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int pwd_main(int argc, char **argv)
+int pwd_main(int argc, char **argv)
 {
 	char *buf;
 

coreutils/rm.c

@@ -32,7 +32,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int rm_main(int argc, char **argv)
+int rm_main(int argc, char **argv)
 {
 	int status = 0;
 	int flags = 0;

coreutils/rmdir.c

@@ -28,7 +28,7 @@
 #include <libgen.h>
 #include "busybox.h"
 
-extern int rmdir_main(int argc, char **argv)
+int rmdir_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
 	int flags;

coreutils/seq.c

@@ -11,7 +11,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int seq_main(int argc, char **argv)
+int seq_main(int argc, char **argv)
 {
 	double last, first, increment, i;
 	

coreutils/sleep.c

@@ -46,7 +46,7 @@ static const struct suffix_mult sleep_suffixes[] = {
 };
 #endif
 
-extern int sleep_main(int argc, char **argv)
+int sleep_main(int argc, char **argv)
 {
 	unsigned int duration;
 

coreutils/stty.c

@@ -467,9 +467,9 @@ static const struct suffix_mult stty_suffixes[] = {
 };
 
 #ifndef TEST
-extern int stty_main(int argc, char **argv)
+int stty_main(int argc, char **argv)
 #else
-extern int main(int argc, char **argv)
+int main(int argc, char **argv)
 #endif
 {
 	struct termios mode;

coreutils/sync.c

@@ -26,7 +26,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int sync_main(int argc, char **argv)
+int sync_main(int argc, char **argv)
 {
 	bb_warn_ignoring_args(argc - 1);
 

coreutils/test.c

@@ -183,7 +183,7 @@ static int test_eaccess(char *path, int mode);
 static int is_a_group_member(gid_t gid);
 static void initialize_group_array(void);
 
-extern int test_main(int argc, char **argv)
+int test_main(int argc, char **argv)
 {
 	int res;
 

coreutils/touch.c

@@ -39,7 +39,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int touch_main(int argc, char **argv)
+int touch_main(int argc, char **argv)
 {
 	int fd;
 	int flags;

coreutils/tr.c

@@ -202,7 +202,7 @@ static int complement(unsigned char *buffer, int buffer_len)
 	return ix;
 }
 
-extern int tr_main(int argc, char **argv)
+int tr_main(int argc, char **argv)
 {
 	register unsigned char *ptr;
 	int output_length=0, input_length;

coreutils/true.c

@@ -26,7 +26,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int true_main(int argc, char **argv)
+int true_main(int argc, char **argv)
 {
 	return EXIT_SUCCESS;
 }

coreutils/tty.c

@@ -28,7 +28,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int tty_main(int argc, char **argv)
+int tty_main(int argc, char **argv)
 {
 	const char *s;
 	int silent;		/* Note: No longer relevant in SUSv3. */

coreutils/usleep.c

@@ -27,7 +27,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int usleep_main(int argc, char **argv)
+int usleep_main(int argc, char **argv)
 {
 	if (argc != 2) {
 		bb_show_usage();

coreutils/uudecode.c

@@ -138,7 +138,7 @@ static int read_base64(FILE *src_stream, FILE *dst_stream)
 	}
 }
 
-extern int uudecode_main(int argc, char **argv)
+int uudecode_main(int argc, char **argv)
 {
 	int (*decode_fn_ptr) (FILE * src, FILE * dst);
 	FILE *src_stream;

coreutils/watch.c

@@ -39,7 +39,7 @@
 #include <sys/wait.h>
 #include "busybox.h"
 
-extern int watch_main(int argc, char **argv)
+int watch_main(int argc, char **argv)
 {
 	const int header_len = 40;
 	time_t t;

coreutils/who.c

@@ -25,7 +25,7 @@
 #include <time.h>
 #include "busybox.h"
 
-extern int who_main(int argc, char **argv)
+int who_main(int argc, char **argv)
 {
     struct utmp *ut;
     struct stat st;

coreutils/whoami.c

@@ -27,7 +27,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int whoami_main(int argc, char **argv)
+int whoami_main(int argc, char **argv)
 {
 	if (argc > 1)
 		bb_show_usage();

coreutils/yes.c

@@ -31,7 +31,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int yes_main(int argc, char **argv)
+int yes_main(int argc, char **argv)
 {
 	static const char fmt_str[] = " %s";
 	const char *fmt;

debianutils/mktemp.c

@@ -16,7 +16,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
-extern int mktemp_main(int argc, char **argv)
+int mktemp_main(int argc, char **argv)
 {
 	unsigned long flags = bb_getopt_ulflags(argc, argv, "dq");
 

debianutils/pipe_progress.c

@@ -31,7 +31,7 @@
 /*	Read a block of data from stdin, write it to stdout.
  *  Activity is indicated by a '.' to stderr
  */
-extern int pipe_progress_main(int argc, char **argv)
+int pipe_progress_main(int argc, char **argv)
 {
 	RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);
 	time_t t = time(NULL);

debianutils/which.c

@@ -16,7 +16,7 @@
 #include <sys/stat.h>
 #include "busybox.h"
 
-extern int which_main(int argc, char **argv)
+int which_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;
 	size_t i, count;

e2fsprogs/blkid/dev.c

@@ -52,7 +52,7 @@ void blkid_free_dev(blkid_dev dev)
 /*
  * Given a blkid device, return its name
  */
-extern const char *blkid_dev_devname(blkid_dev dev)
+const char *blkid_dev_devname(blkid_dev dev)
 {
 	return dev->bid_name;
 }
@@ -80,7 +80,7 @@ struct blkid_struct_dev_iterate {
 	struct list_head	*p;
 };
 
-extern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache)
+blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache)
 {
 	blkid_dev_iterate	iter;
 
@@ -106,7 +106,7 @@ extern int blkid_dev_next(blkid_dev_iterate iter,
 	return 0;
 }
 
-extern void blkid_dev_iterate_end(blkid_dev_iterate iter)
+void blkid_dev_iterate_end(blkid_dev_iterate iter)
 {
 	if (!iter || iter->magic != DEV_ITERATE_MAGIC)
 		return;

e2fsprogs/blkid/tag.c

@@ -236,7 +236,7 @@ struct blkid_struct_tag_iterate {
 	struct list_head	*p;
 };
 
-extern blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev)
+blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev)
 {
 	blkid_tag_iterate	iter;
 
@@ -267,7 +267,7 @@ extern int blkid_tag_next(blkid_tag_iterate iter,
 	return 0;
 }
 
-extern void blkid_tag_iterate_end(blkid_tag_iterate iter)
+void blkid_tag_iterate_end(blkid_tag_iterate iter)
 {
 	if (!iter || iter->magic != TAG_ITERATE_MAGIC)
 		return;

e2fsprogs/e2fsck.c

@@ -14897,7 +14897,7 @@ static float calc_percent(const struct percent_tbl *tbl, int pass, int curr,
 		+ tbl->table[pass-1]);
 }
 
-extern void e2fsck_clear_progbar(e2fsck_t ctx)
+void e2fsck_clear_progbar(e2fsck_t ctx)
 {
 	if (!(ctx->flags & E2F_FLAG_PROG_BAR))
 		return;

editors/awk.c

@@ -2612,7 +2612,7 @@ static rstream *next_input_file(void)
 	return &rsm;
 }
 
-extern int awk_main(int argc, char **argv)
+int awk_main(int argc, char **argv)
 {
 	char *s, *s1;
 	int i, j, c, flen;

editors/patch.c

@@ -88,7 +88,7 @@ static int file_doesnt_exist(const char *filename)
 	return(stat(filename, &statbuf));
 }
 
-extern int patch_main(int argc, char **argv)
+int patch_main(int argc, char **argv)
 {
 	int patch_level = -1;
 	char *patch_line;

editors/sed.c

@@ -1108,7 +1108,7 @@ static void add_cmd_block(char *cmdstr)
 	free(temp);
 }
 
-extern int sed_main(int argc, char **argv)
+int sed_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS, opt, getpat = 1;
 

editors/vi.c

@@ -332,7 +332,7 @@ static void write1(const char *out)
 	fputs(out, stdout);
 }
 
-extern int vi_main(int argc, char **argv)
+int vi_main(int argc, char **argv)
 {
 	int c;
 	RESERVE_CONFIG_BUFFER(STATUS_BUFFER, STATUS_BUFFER_LEN);

findutils/grep.c

@@ -280,7 +280,7 @@ static void load_regexes_from_file(llist_t *fopt)
 }
 
 
-extern int grep_main(int argc, char **argv)
+int grep_main(int argc, char **argv)
 {
 	FILE *file;
 	int matched;

init/init.c

@@ -1007,7 +1007,7 @@ static void reload_signal(int sig ATTRIBUTE_UNUSED)
 }
 #endif							/* CONFIG_FEATURE_USE_INITTAB */
 
-extern int init_main(int argc, char **argv)
+int init_main(int argc, char **argv)
 {
 	struct init_action *a;
 	pid_t wpid;

init/init_shared.c

@@ -18,7 +18,7 @@
 
 #ifndef CONFIG_INIT
 const char * const bb_shutdown_format = "\r%s\n";
-extern int bb_shutdown_system(unsigned long magic)
+int bb_shutdown_system(unsigned long magic)
 {
 	int pri = LOG_KERN|LOG_NOTICE|LOG_FACMASK;
 	const char *message;

init/mesg.c

@@ -28,7 +28,7 @@
 #define S_IWGRP_OR_S_IWOTH	(S_IWGRP | S_IWOTH)
 #endif
 
-extern int mesg_main(int argc, char *argv[])
+int mesg_main(int argc, char *argv[])
 {
 	struct stat sb;
 	char *tty;

libbb/bb_echo.c

@@ -28,7 +28,7 @@
 #include <string.h>
 #include "busybox.h"
 
-extern int bb_echo(int ATTRIBUTE_UNUSED argc, char **argv)
+int bb_echo(int ATTRIBUTE_UNUSED argc, char **argv)
 {
 #ifndef CONFIG_FEATURE_FANCY_ECHO
 #define eflag '\\'

libbb/concat_path_file.c

@@ -28,7 +28,7 @@
 #include <string.h>
 #include "libbb.h"
 
-extern char *concat_path_file(const char *path, const char *filename)
+char *concat_path_file(const char *path, const char *filename)
 {
 	char *lc;
 

libbb/concat_subpath_file.c

@@ -28,7 +28,7 @@
 
 #include "libbb.h"
 
-extern char *concat_subpath_file(const char *path, const char *f)
+char *concat_subpath_file(const char *path, const char *f)
 {
 	if(f && *f == '.' && (!f[1] || (f[1] == '.' && !f[2])))
 		return NULL;

libbb/copyfd.c

@@ -62,7 +62,7 @@ out:
 }
 
 
-extern int bb_copyfd_size(int fd1, int fd2, const off_t size)
+int bb_copyfd_size(int fd1, int fd2, const off_t size)
 {
 	if (size) {
 		return(bb_full_fd_action(fd1, fd2, size));
@@ -70,7 +70,7 @@ extern int bb_copyfd_size(int fd1, int fd2, const off_t size)
 	return(0);
 }
 
-extern int bb_copyfd_eof(int fd1, int fd2)
+int bb_copyfd_eof(int fd1, int fd2)
 {
 	return(bb_full_fd_action(fd1, fd2, 0));
 }

libbb/device_open.c

@@ -25,7 +25,7 @@
 
 
 /* try to open up the specified device */
-extern int device_open(const char *device, int mode)
+int device_open(const char *device, int mode)
 {
 	int m, f, fd = -1;
 

libbb/error_msg.c

@@ -25,7 +25,7 @@
 #include <stdlib.h>
 #include "libbb.h"
 
-extern void bb_error_msg(const char *s, ...)
+void bb_error_msg(const char *s, ...)
 {
 	va_list p;