Index: uspace/lib/c/include/str.h
===================================================================
--- uspace/lib/c/include/str.h	(revision bebd154be4d1118b08a23ce3b56a8613c8841cff)
+++ uspace/lib/c/include/str.h	(revision 8add15e0d742e2ce9688f92ee8e6378e2caa7b04)
@@ -137,5 +137,5 @@
 extern errno_t str_size_t(const char *, const char **, unsigned int, bool,
     size_t *);
-extern int str_int64_t(const char *, const char **, unsigned int, bool,
+extern errno_t str_int64_t(const char *, const char **, unsigned int, bool,
     int64_t *);