Index: uspace/lib/c/include/str.h
===================================================================
--- uspace/lib/c/include/str.h	(revision 3e6a98c595287c43d200d28d97f57755342be117)
+++ uspace/lib/c/include/str.h	(revision fdec59b606e143d04e300b13b3770e750e92ef9d)
@@ -109,9 +109,14 @@
 extern char *str_ndup(const char *, size_t max_size);
 
-extern int str_uint8_t(const char *, char **, unsigned int, bool, uint8_t *);
-extern int str_uint16_t(const char *, char **, unsigned int, bool, uint16_t *);
-extern int str_uint32_t(const char *, char **, unsigned int, bool, uint32_t *);
-extern int str_uint64_t(const char *, char **, unsigned int, bool, uint64_t *);
-extern int str_size_t(const char *, char **, unsigned int, bool, size_t *);
+extern int str_uint8_t(const char *, const char **, unsigned int, bool,
+    uint8_t *);
+extern int str_uint16_t(const char *, const char **, unsigned int, bool,
+    uint16_t *);
+extern int str_uint32_t(const char *, const char **, unsigned int, bool,
+    uint32_t *);
+extern int str_uint64_t(const char *, const char **, unsigned int, bool,
+    uint64_t *);
+extern int str_size_t(const char *, const char **, unsigned int, bool,
+    size_t *);
 
 extern void order_suffix(const uint64_t, uint64_t *, char *);