__icheckhost
hostok = __icheckhost(raddr,(char *)&buf[1]);
if (__icheckhost(raddr,(char *)&buf[1]))
hostok = __icheckhost(raddr, buf);
hostok = __icheckhost(raddr, salen,
if (__icheckhost(raddr, salen,
hostok = __icheckhost(raddr, salen, buf);
static int __icheckhost(const struct sockaddr *, socklen_t, const char *);