mbufstrcmp
if (mbufstrcmp(m, m->m_nextpkt, 1, cmp) == 1) {
mbufstrcmp(m, n, i, "HTTP/1.0") ||
mbufstrcmp(m, n, i, "HTTP/1.1")) {
static int mbufstrcmp(struct mbuf *m, struct mbuf *npkt, int offset, const char *cmp);