/*
 * Program DECnet-DOS	Module - time.h
 * 
 * Copyright (C) 1985,1991 All Rights Reserved, by
 * Digital Equipment Corporation, Maynard, Mass.
 *
 * This software is furnished under a license and may be used and copied
 * only  in  accordance  with  the  terms  of such  license and with the
 * inclusion of the above copyright notice. This software or  any  other
 * copies thereof may not be provided or otherwise made available to any
 * other person. No title to and ownership of  the  software  is  hereby
 * transferred.
 *
 * The information in this software is subject to change without  notice
 * and  should  not be  construed  as  a commitment by Digital Equipment
 * Corporation.
 *
 * Digital assumes no responsibility for the use or  reliability  of its
 * software on equipment which is not supplied by Digital.
 *
 *      Standard UNIX time definitions. 
 *
 *                               NOTE
 *
 *      IF YOUR COMPILER DOES NOT DEFINE THE EXTERNAL DEFINITIONS
 *      AS DECLARED IN THIS HEADER FILE, COMMENT OUT ANY OF THESE
 *      DECLARATIONS FROM THIS HEADER FILE TO AVOID UNDEFINEDS.
 *
 * Networks & Communications Software Engineering
 *
 * IDENT HISTORY:
 *
 * V1.00	01-Jul-85
 *		DECnet-DOS, Version 1.0
 *
 * V1.01	27-Jan-86
 *		DECnet-DOS, Version 1.1
 *
 */
#ifndef TIME_H
#define TIME_H	    

/*
 * Standard system time value data structures.
 */
struct timeval 
{
	long	tv_sec;		/* seconds */
	long	tv_usec;	/* and microseconds */
};


#ifndef NO_EXT_KEYS /* extensions enabled */
    #define _CDECL  cdecl
    #define _NEAR   near
#else /* extensions not enabled */
    #define _CDECL
    #define _NEAR
#endif /* NO_EXT_KEYS */


/* define the implementation defined time type */

#ifndef _TIME_T_DEFINED
typedef long time_t;            /* time value */
#define _TIME_T_DEFINED         /* avoid multiple def's of time_t */
#endif

#ifndef _CLOCK_T_DEFINED
typedef long clock_t;
#define _CLOCK_T_DEFINED
#endif

#ifndef _TM_DEFINED
struct tm {
    int tm_sec;         /* seconds after the minute - [0,59] */
    int tm_min;         /* minutes after the hour - [0,59] */
    int tm_hour;        /* hours since midnight - [0,23] */
    int tm_mday;        /* day of the month - [1,31] */
    int tm_mon;         /* months since January - [0,11] */
    int tm_year;        /* years since 1900 */
    int tm_wday;        /* days since Sunday - [0,6] */
    int tm_yday;        /* days since January 1 - [0,365] */
    int tm_isdst;       /* daylight savings time flag */
    };
#define _TM_DEFINED
#endif

#define CLK_TCK 1000


/* extern declarations for the global variables used by the ctime family of
 * routines.
 */

extern int _NEAR _CDECL daylight;     /* non-zero if daylight savings time is used */
extern long _NEAR _CDECL timezone;    /* difference in seconds between GMT and local time */
extern char * _NEAR _CDECL tzname[2]; /* standard/daylight savings time zone names */


/* function prototypes */

char * _CDECL asctime(const struct tm *);
char * _CDECL ctime(const time_t *);
clock_t _CDECL clock(void);
double _CDECL difftime(time_t, time_t);
struct tm * _CDECL gmtime(const time_t *);
struct tm * _CDECL localtime(const time_t *);
time_t _CDECL mktime(struct tm *);
char * _CDECL _strdate(char *);
char * _CDECL _strtime(char *);
time_t _CDECL time(time_t *);
void _CDECL tzset(void);

#endif