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 8c7d5adf6864144540bbcdd88ca84f925dab4e02)
@@ -79,4 +79,5 @@
 
 extern void udelay(useconds_t);
+extern int usleep(useconds_t);
 
 extern time_t mktime(struct tm *);