Use restrict on pointers where it makes sense. (requires C99 support,

which we already assume)

include/ucore/val_str.h

@@ -48,6 +48,6 @@ const char *uc_val_2_str_bs(unsigned int val,
  * @param array array to search
  * @return the string associated with @val or null
  */
-const char *uc_str_2_str(const char *val, const struct UCStrStr *array);
+const char *uc_str_2_str(const char *restrict val, const struct UCStrStr *array);
 
 #endif