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

definitions.  (That should only be on prototypes.)

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;