rem: char *user, *file, client[16];
add: char *user, *file, *client;
context: char *opn_url_serialize(OpnUrl *url){	char *user, *file, client[16];		assert(url);	user = opn_url_encode(url->user);	file = opn_url_encode(url->file);	snprintf(client, sizeof(client), "%s", net_ip_str(url->client.ip));	url->serialized = stringf_dup("OpenNap://%s:%hu@%s:%hu?user=%s"	                              "&size=%u&file=%s",	                              client, url->client.port,	                              net_ip_str(url->server.ip), url->server.port,	                              user, url->size, file);	free(user);	free(file);	return url->serialized;}