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- /***
- *ctime.h - constant for dates and times
- *
- * Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * Include file used by the ctime routines containing definitions of
- * various constants used in determining dates and times.
- *
- * [Internal]
- *
- ****/
-
- #if _MSC_VER > 1000
- #pragma once
- #endif /* _MSC_VER > 1000 */
-
- #ifndef _INC_CTIME
- #define _INC_CTIME
-
- #ifndef _CRTBLD
- /*
- * This is an internal C runtime header file. It is used when building
- * the C runtimes only. It is not to be used as a public header file.
- */
- #error ERROR: Use of C runtime library internal header file.
- #endif /* _CRTBLD */
-
- #define _DAY_SEC (24L * 60L * 60L) /* secs in a day */
-
- #define _YEAR_SEC (365L * _DAY_SEC) /* secs in a year */
-
- #define _FOUR_YEAR_SEC (1461L * _DAY_SEC) /* secs in a 4 year interval */
-
- #define _DEC_SEC 315532800L /* secs in 1970-1979 */
-
- #define _BASE_YEAR 70L /* 1970 is the base year */
-
- #define _BASE_DOW 4 /* 01-01-70 was a Thursday */
-
- #define _LEAP_YEAR_ADJUST 17L /* Leap years 1900 - 1970 */
-
- #define _MAX_YEAR 138L /* 2038 is the max year */
-
- #endif /* _INC_CTIME */
-