1 2 /* 3 * send an IP datagram. Used when don't have any Internet protocol 4 * control block associated with the action. Dummies one up. 5 */ 6 7 #define NOPCB_IPSEND(mp, len, asis, retval) \ 8 { struct inpcb inp; \ 9 bzero ((caddr_t) &inp, sizeof(inp)); \ 10 retval = ip_send (&inp, mp, len, asis); \ 11 } 12