TYPE_COMPRESSED_TCP
#define COMPTYPE(proto) ((proto) == PPP_VJC_COMP? TYPE_COMPRESSED_TCP: \
TYPE_COMPRESSED_TCP, sc->sc_comp, &iphdr, &hlen);
case TYPE_COMPRESSED_TCP:
return (TYPE_COMPRESSED_TCP);
case TYPE_COMPRESSED_TCP:
if (p[SLX_CHDR] & TYPE_COMPRESSED_TCP) {