Index: uspace/lib/c/include/sys/time.h
===================================================================
--- uspace/lib/c/include/sys/time.h	(revision 1ab853969f4ab4bd3b894a43444959889f64873d)
+++ uspace/lib/c/include/sys/time.h	(revision 1e3375ba536b2e46b62f2b38cc6c096253dc0b18)
@@ -79,4 +79,5 @@
 
 extern void udelay(useconds_t);
+extern int usleep(useconds_t);
 
 extern time_t mktime(struct tm *);