send_udp
( return send_udp(nfd, mtu, ip, gwip));
extern int send_udp(int, int, ip_t *, struct in_addr);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, 1500, ip, gwip);
(void) send_udp(nfd, i, ip, gwip);