Atlas - TIME.H
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[FILE BEGIN]
1/***
2*time.h - definitions/declarations for time routines
3*
4*   Copyright (c) 1985-1988, Microsoft Corporation.  All rights reserved.
5*
6*Purpose:
7*   This file has declarations of time routines and defines
8*   the structure returned by the localtime and gmtime routines and
9*   used by asctime.
10*   [ANSI/System V]
11*
12*******************************************************************************/
13
14
15#ifndef NO_EXT_KEYS /* extensions enabled */
16    #define _CDECL  cdecl
17    #define _NEAR   near
18#else /* extensions not enabled */
19    #define _CDECL
20    #define _NEAR
21#endif /* NO_EXT_KEYS */
22
23
24/* define the implementation defined time type */
25
26#ifndef _TIME_T_DEFINED
27typedef long time_t;            /* time value */
28#define _TIME_T_DEFINED         /* avoid multiple def's of time_t */
29#endif
30
31#ifndef _CLOCK_T_DEFINED
32typedef long clock_t;
33#define _CLOCK_T_DEFINED
34#endif
35
36#ifndef _TM_DEFINED
37struct tm {
38    int tm_sec;         /* seconds after the minute - [0,59] */
39    int tm_min;         /* minutes after the hour - [0,59] */
40    int tm_hour;        /* hours since midnight - [0,23] */
41    int tm_mday;        /* day of the month - [1,31] */
42    int tm_mon;         /* months since January - [0,11] */
43    int tm_year;        /* years since 1900 */
44    int tm_wday;        /* days since Sunday - [0,6] */
45    int tm_yday;        /* days since January 1 - [0,365] */
46    int tm_isdst;       /* daylight savings time flag */
47    };
48#define _TM_DEFINED
49#endif
50
51#define CLK_TCK 1000
52
53
54/* extern declarations for the global variables used by the ctime family of
55 * routines.
56 */
57
58extern int _NEAR _CDECL daylight;     /* non-zero if daylight savings time is used */
59extern long _NEAR _CDECL timezone;    /* difference in seconds between GMT and local time */
60extern char * _NEAR _CDECL tzname[2]; /* standard/daylight savings time zone names */
61
62
63/* function prototypes */
64
65char * _CDECL asctime(const struct tm *);
66char * _CDECL ctime(const time_t *);
67clock_t _CDECL clock(void);
68double _CDECL difftime(time_t, time_t);
69struct tm * _CDECL gmtime(const time_t *);
70struct tm * _CDECL localtime(const time_t *);
71time_t _CDECL mktime(struct tm *);
72char * _CDECL _strdate(char *);
73char * _CDECL _strtime(char *);
74time_t _CDECL time(time_t *);
75void _CDECL tzset(void);
76
[FILE END]
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