rem: if (tcp_send(buf, len, to, id)<0){
add: if (tcp_disable){
context: static inline int msg_send(	struct socket_info* send_sock, int proto,							union sockaddr_union* to, int id,							char* buf, int len){		if (proto==PROTO_UDP){		if (send_sock==0) send_sock=get_send_socket(to, proto);		if (send_sock==0){			LOG(L_ERR, "msg_send: ERROR: no sending socket found\n");			goto error;		}		if (udp_send(send_sock, buf, len, to)==-1){			STATS_TX_DROPS;			LOG(L_ERR, "msg_send: ERROR: udp_send failed\n");			goto error;		}	}#ifdef USE_TCP	else if (proto==PROTO_TCP){		if (tcp_send(buf, len, to, id)<0){			STATS_TX_DROPS;			LOG(L_ERR, "msg_send: ERROR: tcp_send failed\n");			goto error;		}	}#endif	else{			LOG(L_CRIT, "BUG: msg_send: unknown proto %d\n", proto);			goto error;	}	return 0;error:	return -1;}