Index: uspace/lib/c/include/str.h
===================================================================
--- uspace/lib/c/include/str.h	(revision bebd154be4d1118b08a23ce3b56a8613c8841cff)
+++ uspace/lib/c/include/str.h	(revision 9eea0b783493decf0abf11e5aa37be12b86e7706)
@@ -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 *);