Index: uspace/lib/posix/stdio.h
===================================================================
--- uspace/lib/posix/stdio.h	(revision 4cf8ca61cc35aeda46798f204c02a5e2e8af6c09)
+++ uspace/lib/posix/stdio.h	(revision e1065991b861fbf7f0d4f9b2eae2bf5312d00ea8)
@@ -116,4 +116,7 @@
 extern int posix_remove(const char *path);
 
+/* Renaming Files */
+extern int posix_rename(const char *old, const char *new);
+
 /* Temporary Files */
 #undef L_tmpnam
@@ -170,4 +173,6 @@
 	#define remove posix_remove
 
+	#define rename posix_rename
+
 	#define tmpnam posix_tmpnam
 #endif