tcpiphdr
struct tcpiphdr td_ti;
sizeof(struct tcpiphdr);
const size_t min_protoh = sizeof(struct tcpiphdr);
sizeof(struct tcpiphdr);
const size_t min_protoh = sizeof(struct tcpiphdr);
KASSERT(m->m_len >= sizeof(struct tcpiphdr),
hdrlen = sizeof(struct tcpiphdr);
sizeof(struct tcpiphdr));
sizeof(struct tcpiphdr));
sizeof(struct tcpiphdr));
sizeof(struct tcpiphdr));
#define TCP_MINPROTOHDR (sizeof(struct tcpiphdr))
tlen += sizeof(struct tcpiphdr);