sl_uncompress_tcp_core
xlen = sl_uncompress_tcp_core(cp + PPP_HDRLEN,
xlen = sl_uncompress_tcp_core(cp + PPP_HDRLEN,
vjlen = sl_uncompress_tcp_core(cp, len, len, type, comp, &hdr, &hlen);
int sl_uncompress_tcp_core(u_char *, int, int, u_int,