parse_date
lease->renewal = parse_date(cfile);
lease->rebind = parse_date(cfile);
lease->expiry = parse_date(cfile);
time_t parse_date(FILE *);
if (!parse_date(optarg, &Options.today))
bool parse_date(const char *date, int *rd_out);
time_t parse_date(time_t dt, char const * str);
time_t expire = parse_date(now, arg->val);
time_t expire = parse_date(now, arg->val);
if ((result = parse_date(now, arg->val)) == now)
if ((result = parse_date(now, arg->val)) == now)