gethms
save = gethms(field, _("invalid saved time"));
static zic_t gethms(const char * string, const char * errstring);
z.z_stdoff = gethms(fields[i_stdoff], _("invalid UT offset"));
tod = gethms(fields[LP_TIME], _("invalid time of day"));
rp->r_tod = gethms(dp, _("invalid time of day"));