remlen
#define remlen() (*lpktp - (pktp - pktp0))
#undef remlen
#define remlen() (lpkt - (pktp - pktp0))
#define remlen() (*lpktp - (pktp - pktp0))
#undef remlen
#define remlen() (inlen - (inp - inp0))
#undef remlen
#define remlen() (inlen - (inp - inp0))
#define remlen() (*lenp - (inp - inp0))
#undef remlen
#define remlen() (inlen - (inp - inp0))
#define remlen() (inlen - (inp - inp0))
#undef remlen
#define remlen() (inlen - (inp - inp0))
#undef remlen
#define remlen (lpktp - (pktp1 - pktp))