k5_time_with_offset
if (k5_time_with_offset(0, 0, &now, &usec) != 0)
return k5_time_with_offset(ctx->pa_offset, ctx->pa_offset_usec,
krb5_error_code k5_time_with_offset(krb5_timestamp offset,
return k5_time_with_offset(os_ctx->time_offset, os_ctx->usec_offset,