/* *	日期和時間轉換例程 */#include "../inc/screen.h"struct	tm	*localtime();void xdate(date0)struct    date *date0;{     unsigned int   ymdx;     ymdx = date0->ymd;     date0->day = ymdx & 0x1f;     date0->month = (ymdx >> 5) & 0xf;     date0->year = ((ymdx >> 9) & 0x7f) + 1979 ;}void ydate(date0)struct    date *date0;{     unsigned int   ymdx;     ymdx = 0;     ymdx = ymdx | (date0->day & 0x1f);     ymdx = ymdx | ((date0->month << 5) & 0x1e0);     ymdx = ymdx | (((date0->year - 1979 ) << 9) & 0xfe00);     date0->ymd = ymdx;}/* *	用漢字顯示星期幾 */char *wtoday(today)int	today;{	static	char	strx[3];	switch(today)	{		case 1: sprintf(strx,"一"); break;		case 2: sprintf(strx,"二"); break;		case 3: sprintf(strx,"三"); break;		case 4: sprintf(strx,"四"); break;		case 5: sprintf(strx,"五"); break;		case 6: sprintf(strx,"六"); break;		case 7: sprintf(strx,"日"); break;		default: sprintf(strx,"xx"); break;	}	return(strx);}