#ifndef _LINUX_TIME_H#define _LINUX_TIME_H#include <linux/types.h>#define _DEFUN(a,b,c) a(c)#define _CONST const#define _AND ,#define _REENT_ONLY#define SECSPERMIN	60L#define MINSPERHOUR	60L#define HOURSPERDAY	24L#define SECSPERHOUR	(SECSPERMIN * MINSPERHOUR)#define SECSPERDAY	(SECSPERHOUR * HOURSPERDAY)#define DAYSPERWEEK	7#define MONSPERYEAR	12#define YEAR_BASE	1900#define EPOCH_YEAR      1970#define EPOCH_WDAY      4#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)/* Used by other time functions.  */struct tm {    int tm_sec;                   /* Seconds.     [0-60] (1 leap second) */    int tm_min;                   /* Minutes.     [0-59] */    int tm_hour;                  /* Hours.       [0-23] */    int tm_mday;                  /* Day.         [1-31] */    int tm_mon;                   /* Month.       [0-11] */    int tm_year;                  /* Year - 1900.  */    int tm_wday;                  /* Day of week. [0-6] */    int tm_yday;                  /* Days in year.[0-365] */    int tm_isdst;                 /* DST.         [-1/0/1]*/# ifdef __USE_BSD    long int tm_gmtoff;           /* Seconds east of UTC.  */    __const char *tm_zone;        /* Timezone abbreviation.  */# else    long int __tm_gmtoff;         /* Seconds east of UTC.  */    __const char *__tm_zone;      /* Timezone abbreviation.  */# endif};static inline char *_DEFUN (asctime_r, (tim_p, result),	_CONST struct tm *tim_p _AND	char *result){    static _CONST char day_name[7][3] = {	"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"    };    static _CONST char mon_name[12][3] = {	"Jan", "Feb", "Mar", "Apr", "May", "Jun",	"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"    };    sprintf (result, "%.3s %.3s %.2d %.2d:%.2d:%.2d %d\n",	    day_name[tim_p->tm_wday],	    mon_name[tim_p->tm_mon],	    tim_p->tm_mday, tim_p->tm_hour, tim_p->tm_min,	    tim_p->tm_sec, 1900 + tim_p->tm_year);    return result;}static inline struct tm *_DEFUN (localtime_r, (tim_p, res),	_CONST time_t * tim_p _AND	struct tm *res){    static _CONST int mon_lengths[2][MONSPERYEAR] = {      {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},      {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}    } ;    static _CONST int year_lengths[2] = {      365,      366    } ;    long days, rem;    int y;    int yleap;    _CONST int *ip;    days = ((long) *tim_p) / SECSPERDAY;    rem = ((long) *tim_p) % SECSPERDAY;    while (rem < 0)    {	rem += SECSPERDAY;	--days;    }    while (rem >= SECSPERDAY)    {	rem -= SECSPERDAY;	++days;    }    /* compute hour, min, and sec */    res->tm_hour = (int) (rem / SECSPERHOUR);    rem %= SECSPERHOUR;    res->tm_min = (int) (rem / SECSPERMIN);    res->tm_sec = (int) (rem % SECSPERMIN);    /* compute day of week */    if ((res->tm_wday = ((EPOCH_WDAY + days) % DAYSPERWEEK)) < 0)	res->tm_wday += DAYSPERWEEK;    /* compute year & day of year */    y = EPOCH_YEAR;    if (days >= 0)    {	for (;;)	{	    yleap = isleap(y);	    if (days < year_lengths[yleap])		break;	    y++;	    days -= year_lengths[yleap];	}    }    else    {	do	{	    --y;	    yleap = isleap(y);	    days += year_lengths[yleap];	} while (days < 0);    }    res->tm_year = y - YEAR_BASE;    res->tm_yday = days;    ip = mon_lengths[yleap];    for (res->tm_mon = 0; days >= ip[res->tm_mon]; ++res->tm_mon)	days -= ip[res->tm_mon];    res->tm_mday = days + 1;    /* set daylight saving time flag */    res->tm_isdst = -1;    return (res);}static inline char *_DEFUN (ctime_r, (tim_p, result),	_CONST time_t * tim_p _AND	char * result){    struct tm tm;    return asctime_r (localtime_r (tim_p, &tm), result);}#endif