286 plus_or_minus(struct tm *tm, int delay)  in plus_or_minus()  argument
294 	    tm->tm_year += delay;  in plus_or_minus()
297 	    tm->tm_mon += delay;  in plus_or_minus()
302 	    tm->tm_mday += delay;  in plus_or_minus()
305 	    tm->tm_hour += delay;  in plus_or_minus()
308 	    tm->tm_min += delay;  in plus_or_minus()
318     tm->tm_isdst = -1;  in plus_or_minus()
319     if (mktime(tm) < 0)  in plus_or_minus()
331 plus(struct tm *tm)  in plus()  argument
338     plus_or_minus(tm, delay);  in plus()
346 minus(struct tm *tm)  in minus()  argument
353     plus_or_minus(tm, delay);  in minus()
362 tod(struct tm *tm)  in tod()  argument
410 	tm->tm_hour > hour) {  in tod()
411 	tm->tm_mday++;  in tod()
412 	tm->tm_wday++;  in tod()
415     tm->tm_hour = hour;  in tod()
416     tm->tm_min = minute;  in tod()
417     if (tm->tm_hour == 24) {  in tod()
418 	tm->tm_hour = 0;  in tod()
419 	tm->tm_mday++;  in tod()
428 assign_date(struct tm *tm, long mday, long mon, long year)  in assign_date()  argument
440 		struct tm *lt;  in assign_date()
456 	(tm->tm_mon > mon ||(tm->tm_mon == mon && tm->tm_mday > mday)))  in assign_date()
457 	year = tm->tm_year + 1;  in assign_date()
459     tm->tm_mday = mday;  in assign_date()
460     tm->tm_mon = mon;  in assign_date()
463 	tm->tm_year = year;  in assign_date()
477 month(struct tm *tm)  in month()  argument
485 	    plus(tm);  in month()
488 	    minus(tm);  in month()
493 	    tm->tm_mday ++;  in month()
494 	    tm->tm_wday ++;  in month()
510 	    assign_date(tm, mday, mon, year);  in month()
520 	    mday = tm->tm_mday;  in month()
524 	    if (wday < tm->tm_wday)  in month()
525 		mday += 7 - (tm->tm_wday - wday);  in month()
527 		mday += (wday - tm->tm_wday);  in month()
529 	    tm->tm_wday = wday;  in month()
531 	    assign_date(tm, mday, tm->tm_mon, tm->tm_year);  in month()
580 	    assign_date(tm, mday, mon, year);  in month()
595     struct tm nowtime, runtime;  in parsetime()