text: #ifndef PRIVATE_H
  
  #define PRIVATE_H
  
  /*
  ** This file is in the public domain, so clarified as of
  ** 1996-06-05 by Arthur David Olson.
  **
  ** $FreeBSD: src/lib/libc/stdtime/private.h,v 1.11 2009/05/23 06:31:50 edwin Exp $
  */
  
  /* Stuff moved from Makefile.inc to reduce clutter */
  #ifndef TM_GMTOFF
  #define TM_GMTOFF	tm_gmtoff
  #define TM_ZONE		tm_zone
  #define STD_INSPIRED	1
  #define PCTS		1
  #define HAVE_LONG_DOUBLE 1
  #define HAVE_STRERROR	1
  #define	HAVE_UNISTD_H	1
  #define	LOCALE_HOME	_PATH_LOCALE
  /* #define TZDIR		"/usr/share/zoneinfo" */
  #endif /* ndef TM_GMTOFF */
  
  /*
  ** This header is for use ONLY with the time conversion code.
  ** There is no guarantee that it will remain unchanged,
  ** or that it will remain at all.
  ** Do NOT copy it to any system include directory.
  ** Thank you!
  */
  
  /*
  ** ID
  */
  
  #ifndef lint
  #ifndef NOID
  /*
  static char	privatehid[] = "@(#)private.h	8.6";
  */
  #endif /* !defined NOID */
  #endif /* !defined lint */
  
  #define GRANDPARENTED	"Local time zone must be set--see zic manual page"
  
  /*
  ** Defaults for preprocessor symbols.
  ** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
  */
  
  #ifndef HAVE_ADJTIME
  #define HAVE_ADJTIME		1
  #endif /* !defined HAVE_ADJTIME */
  
  #ifndef HAVE_GETTEXT
  #define HAVE_GETTEXT		0
  #endif /* !defined HAVE_GETTEXT */
  
  #ifndef HAVE_INCOMPATIBLE_CTIME_R
  #define HAVE_INCOMPATIBLE_CTIME_R	0
  #endif /* !defined INCOMPATIBLE_CTIME_R */
  
  #ifndef HAVE_SETTIMEOFDAY
  #define HAVE_SETTIMEOFDAY	3
  #endif /* !defined HAVE_SETTIMEOFDAY */
  
  #ifndef HAVE_SYMLINK
  #define HAVE_SYMLINK		1
  #endif /* !defined HAVE_SYMLINK */
  
  #ifndef HAVE_SYS_STAT_H
  #define HAVE_SYS_STAT_H		1
  #endif /* !defined HAVE_SYS_STAT_H */
  
  #ifndef HAVE_SYS_WAIT_H
  #define HAVE_SYS_WAIT_H		1
  #endif /* !defined HAVE_SYS_WAIT_H */
  
  #ifndef HAVE_UNISTD_H
  #define HAVE_UNISTD_H		1
  #endif /* !defined HAVE_UNISTD_H */
  
  #ifndef HAVE_UTMPX_H
  #define HAVE_UTMPX_H		0
  #endif /* !defined HAVE_UTMPX_H */
  
  #ifndef LOCALE_HOME
  #define LOCALE_HOME		"/usr/lib/locale"
  #endif /* !defined LOCALE_HOME */
  
  #if HAVE_INCOMPATIBLE_CTIME_R
  #define asctime_r _incompatible_asctime_r
  #define ctime_r _incompatible_ctime_r
  #endif /* HAVE_INCOMPATIBLE_CTIME_R */
  
  /*
  ** Nested includes
  */
  
  #include "sys/types.h"	/* for time_t */
  #include "stdio.h"
  #include "errno.h"
  #include "string.h"
  #include "limits.h"	/* for CHAR_BIT et al. */
  #include "time.h"
  #include "stdlib.h"
  
  #if HAVE_GETTEXT
  #include "libintl.h"
  #endif /* HAVE_GETTEXT */
  
  #if HAVE_SYS_WAIT_H
  #include <sys/wait.h>	/* for WIFEXITED and WEXITSTATUS */
  #endif /* HAVE_SYS_WAIT_H */
  
  #ifndef WIFEXITED
  #define WIFEXITED(status)	(((status) & 0xff) == 0)
  #endif /* !defined WIFEXITED */
  #ifndef WEXITSTATUS
  #define WEXITSTATUS(status)	(((status) >> 8) & 0xff)
  #endif /* !defined WEXITSTATUS */
  
  #if HAVE_UNISTD_H
  #include "unistd.h"	/* for F_OK, R_OK, and other POSIX goodness */
  #endif /* HAVE_UNISTD_H */
  
  #if !(HAVE_UNISTD_H)
  #ifndef F_OK
  #define F_OK	0
  #endif /* !defined F_OK */
  #ifndef R_OK
  #define R_OK	4
  #endif /* !defined R_OK */
  #endif /* !(HAVE_UNISTD_H) */
  
  /* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */
  #define is_digit(c) ((unsigned)(c) - '0' <= 9)
  
  /*
  ** Define HAVE_STDINT_H's default value here, rather than at the
  ** start, since __GLIBC__'s value depends on previously-included
  ** files.
  ** (glibc 2.1 and later have stdint.h, even with pre-C99 compilers.)
  */
  #ifndef HAVE_STDINT_H
  #define HAVE_STDINT_H \
  	(199901 <= __STDC_VERSION__ || \
  	2 < (__GLIBC__ + (0 < __GLIBC_MINOR__)))
  #endif /* !defined HAVE_STDINT_H */
  
  #if HAVE_STDINT_H
  #include "stdint.h"
  #endif /* !HAVE_STDINT_H */
  
  #ifndef INT_FAST64_MAX
  /* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX.  */
  #if defined LLONG_MAX || defined __LONG_LONG_MAX__
  typedef long long	int_fast64_t;
  #else /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
  #if (LONG_MAX >> 31) < 0xffffffff
  Please use a compiler that supports a 64-bit integer type (or wider);
  you may need to compile with "-DHAVE_STDINT_H".
  #endif /* (LONG_MAX >> 31) < 0xffffffff */
  typedef long		int_fast64_t;
  #endif /* ! (defined LLONG_MAX || defined __LONG_LONG_MAX__) */
  #endif /* !defined INT_FAST64_MAX */
  
  #ifndef INT32_MAX
  #define INT32_MAX 0x7fffffff
  #endif /* !defined INT32_MAX */
  #ifndef INT32_MIN
  #define INT32_MIN (-1 - INT32_MAX)
  #endif /* !defined INT32_MIN */
  
  /*
  ** Workarounds for compilers/systems.
  */
  
  /*
  ** Some time.h implementations don't declare asctime_r.
  ** Others might define it as a macro.
  ** Fix the former without affecting the latter.
  */
  
  #ifndef asctime_r
  extern char *	asctime_r(struct tm const *, char *);
  #endif
  
  /*
  ** Private function declarations.
  */
  
  char *		icalloc(int nelem, int elsize);
  char *		icatalloc(char * old, const char * new);
  char *		icpyalloc(const char * string);
  char *		imalloc(int n);
  void *		irealloc(void * pointer, int size);
  void		icfree(char * pointer);
  void		ifree(char * pointer);
  const char *	scheck(const char * string, const char * format);
  
  /*
  ** Finally, some convenience items.
  */
  
  #ifndef TRUE
  #define TRUE	1
  #endif /* !defined TRUE */
  
  #ifndef FALSE
  #define FALSE	0
  #endif /* !defined FALSE */
  
  #ifndef TYPE_BIT
  #define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
  #endif /* !defined TYPE_BIT */
  
  #ifndef TYPE_SIGNED
  #define TYPE_SIGNED(type) (((type) -1) < 0)
  #endif /* !defined TYPE_SIGNED */
  
  /*
  ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
  ** it cannot be used in preprocessor directives.
  */
  
  #ifndef TYPE_INTEGRAL
  #define	TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
  #endif /* !defined TYPE_INTEGRAL */
  
  /*
  ** Since the definition of TYPE_INTEGRAL contains floating point numbers,
  ** it cannot be used in preprocessor directives.
  */
  
  #ifndef TYPE_INTEGRAL
  #define TYPE_INTEGRAL(type) (((type) 0.5) != 0.5)
  #endif /* !defined TYPE_INTEGRAL */
  
  #ifndef INT_STRLEN_MAXIMUM
  /*
  ** 302 / 1000 is log10(2.0) rounded up.
  ** Subtract one for the sign bit if the type is signed;
  ** add one for integer division truncation;
  ** add one more for a minus sign if the type is signed.
  */
  #define INT_STRLEN_MAXIMUM(type) \
  	((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
  	1 + TYPE_SIGNED(type))
  #endif /* !defined INT_STRLEN_MAXIMUM */
  
  /*
  ** INITIALIZE(x)
  */
  
  #ifndef GNUC_or_lint
  #ifdef lint
  #define GNUC_or_lint
  #endif /* defined lint */
  #ifndef lint
  #ifdef __GNUC__
  #define GNUC_or_lint
  #endif /* defined __GNUC__ */
  #endif /* !defined lint */
  #endif /* !defined GNUC_or_lint */
  
  #ifndef INITIALIZE
  #ifdef GNUC_or_lint
  #define INITIALIZE(x)	((x) = 0)
  #endif /* defined GNUC_or_lint */
  #ifndef GNUC_or_lint
  #define INITIALIZE(x)
  #endif /* !defined GNUC_or_lint */
  #endif /* !defined INITIALIZE */
  
  /*
  ** For the benefit of GNU folk...
  ** `_(MSGID)' uses the current locale's message library string for MSGID.
  ** The default is to use gettext if available, and use MSGID otherwise.
  */
  
  #ifndef _
  #if HAVE_GETTEXT
  #define _(msgid) gettext(msgid)
  #else /* !HAVE_GETTEXT */
  #define _(msgid) msgid
  #endif /* !HAVE_GETTEXT */
  #endif /* !defined _ */
  
  #ifndef TZ_DOMAIN
  #define TZ_DOMAIN "tz"
  #endif /* !defined TZ_DOMAIN */
  
  #if HAVE_INCOMPATIBLE_CTIME_R
  #undef asctime_r
  #undef ctime_r
  char *asctime_r(struct tm const *, char *);
  char *ctime_r(time_t const *, char *);
  #endif /* HAVE_INCOMPATIBLE_CTIME_R */
    
  #ifndef YEARSPERREPEAT
  #define YEARSPERREPEAT		400	/* years before a Gregorian repeat */
  #endif /* !defined YEARSPERREPEAT */
  
  /*
  ** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
  */
  
  #ifndef AVGSECSPERYEAR
  #define AVGSECSPERYEAR		31556952L
  #endif /* !defined AVGSECSPERYEAR */
  
  #ifndef SECSPERREPEAT
  #define SECSPERREPEAT		((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
  #endif /* !defined SECSPERREPEAT */
  
  #ifndef SECSPERREPEAT_BITS
  #define SECSPERREPEAT_BITS	34	/* ceil(log2(SECSPERREPEAT)) */
  #endif /* !defined SECSPERREPEAT_BITS */
  
  /*
  ** UNIX was a registered trademark of The Open Group in 2003.
  */
  
  #endif /* !defined PRIVATE_H */
  