Index: uspace/lib/c/include/sys/time.h
===================================================================
--- uspace/lib/c/include/sys/time.h	(revision f3b405144d240cabac21367749e140e31fa2144b)
+++ uspace/lib/c/include/sys/time.h	(revision 4939490cae5fd9a05bae96b3bf07c5736e2d68af)
@@ -62,4 +62,6 @@
 extern int gettimeofday(struct timeval *tv, struct timezone *tz);
 
+extern void udelay(useconds_t);
+
 #endif