ts_interval
*time_rec = ts_interval(ts_incr(now, -context->clockskew),
*time_rec = ts_interval(ts_incr(now, -ctx->k5_context->clockskew),
*time_rec = ts_interval(now, cred->expire);
*time_rec = ts_interval(start, ctx->krb_times.endtime);
*time_rec = ts_interval(now, ctx->krb_times.endtime);
*time_rec = ts_interval(now, ctx->krb_times.endtime);
lifetime = ts_interval(start, ctx->krb_times.endtime);
lifetime = ts_interval(now, cred->expire);
*time_rec = ts_interval(now, cred->expire);
ts_interval(now, creds->times.endtime));
timeout = ts_after(endtime, now) ? ts_interval(now, endtime) : 1;
interval = ts_interval(now, pw_exp);