move help text from include/usage.src.h to coreutils/*.c

Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

coreutils/usleep.c

@@ -9,6 +9,15 @@
 
 /* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
 
+//usage:#define usleep_trivial_usage
+//usage:       "N"
+//usage:#define usleep_full_usage "\n\n"
+//usage:       "Pause for N microseconds"
+//usage:
+//usage:#define usleep_example_usage
+//usage:       "$ usleep 1000000\n"
+//usage:       "[pauses for 1 second]\n"
+
 #include "libbb.h"
 
 /* This is a NOFORK applet. Be very careful! */