grabh
if ((rval = grabh(&hdr, GTO)) != 0)
if ((rval = grabh(&hdr, GTO)) != 0)
(void)grabh(hp, GSUBJECT);
(void)grabh(hp, GTO | GSUBJECT | GCC | GBCC | GSMOPTS);
int grabh(struct header *, int);
(void)grabh(hp, GCC);
(void)grabh(hp, GBCC);
if (grabh(hp, GSMOPTS)) {