Index: uspace/lib/libc/include/stdio.h
===================================================================
--- uspace/lib/libc/include/stdio.h	(revision 2664838b8a9ac35d96ca7ecebab945aaad52c7d8)
+++ uspace/lib/libc/include/stdio.h	(revision cbd6545f22e62a58c6bdd14d246595812175bdd8)
@@ -68,4 +68,6 @@
 #define fprintf(f, fmt, ...) printf(fmt, ##__VA_ARGS__)
 
+extern int rename(const char *, const char *);
+
 #endif