detract
(void)printf("%s:\t%s\n", sp->s_name, detract(sp->s_smopts, GSMOPTS));
cp = detract(sp->s_smopts, GSMOPTS);
char * detract(struct name *, int);
(void)fprintf(fo, "(sendmail options: %s)\n", detract(hp->h_smopts, GSMOPTS)), gotcha++;
extract(readtty("To: ", detract(hp->h_to, 0)), GTO);
extract(readtty("Cc: ", detract(hp->h_cc, 0)), GCC);
extract(readtty("Bcc: ", detract(hp->h_bcc, 0)), GBCC);
shextract(readtty("Smopts: ", detract(hp->h_smopts, 0)),