ih_len 119 netinet/in4_cksum.c u.ipov.ih_len = htons(len); ih_len 46 netinet/ip_var.h u_int16_t ih_len; /* protocol length */ ih_len 255 netinet/tcp_subr.c ipovly->ih_len = htons(sizeof (struct tcphdr)); ih_len 47 netinet/tcpip.h #define ti_len ti_i.ih_len ih_len 47 netinet/udp_var.h #define ui_len ui_i.ih_len