+static bool param_is_known(const char *param, unsigned int len)
+{
+ const char *known_param;
+ unsigned int i;
+
+ for (i = 0; known_params[i]; i++) {
+ known_param = known_params[i];
+ if (len == strlen(known_param) &&
+ !strncmp(param, known_param, len))
+ return true;
+ }
+
+ return false;
+}
+