rcs_rev_getdate
rcstime = rcs_rev_getdate(cf->file_rcs, rnum);
tv[0].tv_sec = rcs_rev_getdate(cf->file_rcs, diff_rev1);
tv2[0].tv_sec = rcs_rev_getdate(cf->file_rcs, diff_rev2);
tv2[0].tv_sec = rcs_rev_getdate(cf->file_rcs,
time_t rcs_rev_getdate(RCSFILE *, RCSNUM *);
time_t head_date = rcs_rev_getdate(pb->file, pb->frev);
tv[0].tv_sec = rcs_rev_getdate(file, rev);
time_t rcs_rev_getdate(RCSFILE *, RCSNUM *);
tv[0].tv_sec = rcs_rev_getdate(file, rev);
tv[0].tv_sec = rcs_rev_getdate(file, rev1);
tv2[0].tv_sec = rcs_rev_getdate(file, rev2);