strftime(buf_time, sizeof(buf_time), clock->time1_format, localtime(&clock->clock.tv_sec));
if (clock->time2_format)
strftime(buf_date, sizeof(buf_date), clock->time2_format, localtime(&clock->clock.tv_sec));
strftime(buf_time, sizeof(buf_time), clock->time1_format, localtime(&clock->clock.tv_sec));
if (clock->time2_format)
strftime(buf_date, sizeof(buf_date), clock->time2_format, localtime(&clock->clock.tv_sec));