Index: uspace/lib/c/include/string.h
===================================================================
--- uspace/lib/c/include/string.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/string.h	(revision dc68f72eac461823c3a678b8d303bd6fcc714e60)
@@ -51,5 +51,5 @@
 extern int strcoll(const char *, const char *);
 extern int strncmp(const char *, const char *, size_t);
-extern int strxfrm(char *, const char *, size_t);
+extern size_t strxfrm(char *, const char *, size_t);
 extern char *strchr(const char *, int);
 extern size_t strcspn(const char *, const char *);