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stdlib.h
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1999-11-07
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/*
* stdlib.h
*
* Definitions for common types, variables, and functions.
*
* This file is part of the Mingw32 package.
*
* Contributors:
* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.16 $
* $Author: khan $
* $Date: 1999/06/15 00:47:30 $
*
*/
#ifndef _STDLIB_H_
#define _STDLIB_H_
/* All the headers include this file. */
#include <_mingw.h>
#define __need_size_t
#define __need_wchar_t
#define __need_NULL
#ifndef RC_INVOKED
#include <stddef.h>
#endif /* RC_INVOKED */
/*
* RAND_MAX is the maximum value that may be returned by rand.
* The minimum is zero.
*/
#define RAND_MAX 0x7FFF
/*
* These values may be used as exit status codes.
*/
#define EXIT_SUCCESS 0
#define EXIT_FAILURE -1
/*
* Definitions for path name functions.
* NOTE: All of these values have simply been chosen to be conservatively high.
* Remember that with long file names we can no longer depend on
* extensions being short.
*/
#ifndef __STRICT_ANSI__
#ifndef MAX_PATH
#define MAX_PATH (260)
#endif
#define _MAX_PATH MAX_PATH
#define _MAX_DRIVE (3)
#define _MAX_DIR 256
#define _MAX_FNAME 256
#define _MAX_EXT 256
#endif /* Not __STRICT_ANSI__ */
#ifndef RC_INVOKED
#ifdef __cplusplus
extern "C" {
#endif
/*
* This seems like a convenient place to declare these variables, which
* give programs using WinMain (or main for that matter) access to main-ish
* argc and argv. environ is a pointer to a table of environment variables.
* NOTE: Strings in _argv and environ are ANSI strings.
*/
extern int _argc;
extern char** _argv;
/* imports from runtime dll of the above variables */
#ifdef __MSVCRT__
extern int* __p___argc(void);
extern char*** __p___argv(void);
extern wchar_t*** __p___wargv(void);
#define __argc (*__p___argc())
#define __argv (*__p___argv())
#define __wargv (*__p___wargv())
#else /* !MSVCRT */
#ifndef __DECLSPEC_SUPPORTED
extern int* __imp___argc_dll;
extern char*** __imp___argv_dll;
#define __argc (*__imp___argc_dll)
#define __argv (*__imp___argv_dll)
#else /* __DECLSPEC_SUPPORTED */
__MINGW_IMPORT int __argc_dll;
__MINGW_IMPORT char** __argv_dll;
#define __argc __argc_dll
#define __argv __argv_dll
#endif /* __DECLSPEC_SUPPORTED */
#endif /* __MSVCRT */
/*
* MS likes to declare errno in stdlib.h as well.
*/
#ifdef _UWIN
#undef errno
extern int errno;
#else
int* _errno();
#define errno (*_errno())
#endif
int* __doserrno();
#define _doserrno (*__doserrno())
/*
* Use environ from the DLL, not as a global.
*/
#ifdef __MSVCRT__
extern char *** __p__environ();
extern wchar_t *** __p__wenviron();
# define _environ (*__p__environ())
# define _wenviron (*__p__wenviron())
#else /* ! __MSVCRT__ */
# ifndef __DECLSPEC_SUPPORTED
extern char *** __imp__environ_dll;
# define _environ (*__imp__environ_dll)
# else /* __DECLSPEC_SUPPORTED */
__MINGW_IMPORT char ** _environ_dll;
# define _environ _environ_dll
# endif /* __DECLSPEC_SUPPORTED */
#endif /* ! __MSVCRT__ */
#define environ _environ
#ifdef __MSVCRT__
/* One of the MSVCRTxx libraries */
#ifndef __DECLSPEC_SUPPORTED
extern int* __imp__sys_nerr;
# define sys_nerr (*__imp__sys_nerr)
#else /* __DECLSPEC_SUPPORTED */
__MINGW_IMPORT int _sys_nerr;
# ifndef _UWIN
# define sys_nerr _sys_nerr
# endif /* _UWIN */
#endif /* __DECLSPEC_SUPPORTED */
#else /* ! __MSVCRT__ */
/* CRTDLL run time library */
#ifndef __DECLSPEC_SUPPORTED
extern int* __imp__sys_nerr_dll;
# define sys_nerr (*__imp__sys_nerr_dll)
#else /* __DECLSPEC_SUPPORTED */
__MINGW_IMPORT int _sys_nerr_dll;
# define sys_nerr _sys_nerr_dll
#endif /* __DECLSPEC_SUPPORTED */
#endif /* ! __MSVCRT__ */
#ifndef __DECLSPEC_SUPPORTED
extern char*** __imp__sys_errlist;
#define sys_errlist (*__imp__sys_errlist)
#else /* __DECLSPEC_SUPPORTED */
__MINGW_IMPORT char* _sys_errlist[];
#ifndef _UWIN
#define sys_errlist _sys_errlist
#endif /* _UWIN */
#endif /* __DECLSPEC_SUPPORTED */
/*
* OS version and such constants.
*/
#ifndef __STRICT_ANSI__
#ifdef __MSVCRT__
/* msvcrtxx.dll */
extern unsigned int* __p__osver();
extern unsigned int* __p__winver();
extern unsigned int* __p__winmajor();
extern unsigned int* __p__winminor();
#define _osver (*__p__osver())
#define _winver (*__p__winver())
#define _winmajor (*__p__winmajor())
#define _winminor (*__p__winminor())
#else
/* Not msvcrtxx.dll, thus crtdll.dll */
#ifndef __DECLSPEC_SUPPORTED
extern unsigned int* _imp___osver_dll;
extern unsigned int* _imp___winver_dll;
extern unsigned int* _imp___winmajor_dll;
extern unsigned int* _imp___winminor_dll;
#define _osver (*_imp___osver_dll)
#define _winver (*_imp___winver_dll)
#define _winmajor (*_imp___winmajor_dll)
#define _winminor (*_imp___winminor_dll)
#else /* __DECLSPEC_SUPPORTED */
__MINGW_IMPORT unsigned int _osver_dll;
__MINGW_IMPORT unsigned int _winver_dll;
__MINGW_IMPORT unsigned int _winmajor_dll;
__MINGW_IMPORT unsigned int _winminor_dll;
#define _osver _osver_dll
#define _winver _winver_dll
#define _winmajor _winmajor_dll
#define _winminor _winminor_dll
#endif /* __DECLSPEC_SUPPORTED */
#endif
#endif /* Not __STRICT_ANSI__ */
#ifdef __GNUC__
#define _ATTRIB_NORETURN __attribute__ ((noreturn))
#else /* Not __GNUC__ */
#define _ATTRIB_NORETURN
#endif /* __GNUC__ */
double atof (const char* szNumber);
int atoi (const char* szNumber);
long atol (const char* szNumber);
double strtod (const char* szNumber, char** pszAfterNumber);
double wcstod (const wchar_t* wsNumber, wchar_t** pwsAfterNumber);
long strtol (const char* szNumber, char** pszAfterNumber, int nBase);
long wcstol (const wchar_t* wsNumber, wchar_t** pwsAfterNumber, int nBase);
unsigned long strtoul (const char* szNumber, char** pszAfterNumber,
int nBase);
unsigned long wcstoul (const wchar_t* wsNumber, wchar_t** pwsAfterNumber,
int nBase);
size_t wcstombs (char* mbsDest, const wchar_t* wsConvert, size_t size);
int wctomb (char* mbDest, wchar_t wc);
int mblen (const char* mbs, size_t sizeString);
size_t mbstowcs (wchar_t* wcaDest, const char* mbsConvert,
size_t size);
int mbtowc (wchar_t* wcDest, const char* mbConvert, size_t size);
int rand ();
void srand (unsigned int nSeed);
void* calloc (size_t sizeObjCnt, size_t sizeObject);
void* malloc (size_t sizeObject);
void* realloc (void* pObject, size_t sizeNew);
void free (void* pObject);
void abort () _ATTRIB_NORETURN;
void exit (int nStatus) _ATTRIB_NORETURN;
int atexit (void (*pfuncExitProcessing)(void));
int system (const char* szCommand);
char* getenv (const char* szVarName);
typedef int (*_pfunccmp_t)(const void*, const void*);
void* bsearch (const void* pKey, const void* pBase, size_t cntObjects,
size_t sizeObject, _pfunccmp_t pfuncCmp);
void qsort (const void* pBase, size_t cntObjects, size_t sizeObject,
_pfunccmp_t pfuncCmp);
int abs (int n);
long labs (long n);
/*
* div_t and ldiv_t are structures used to return the results of div and
* ldiv.
*
* NOTE: div and ldiv appear not to work correctly unless
* -fno-pcc-struct-return is specified. This is included in the
* mingw32 specs file.
*/
typedef struct { int quot, rem; } div_t;
typedef struct { long quot, rem; } ldiv_t;
div_t div (int nNumerator, int nDenominator);
ldiv_t ldiv (long lNumerator, long lDenominator);
#ifndef __STRICT_ANSI__
/*
* NOTE: Officially the three following functions are obsolete. The Win32 API
* functions SetErrorMode, Beep and Sleep are their replacements.
*/
void _beep (unsigned int, unsigned int);
void _seterrormode (int nMode);
void _sleep (unsigned long ulTime);
void _exit (int nStatus) _ATTRIB_NORETURN;
int _putenv (const char* szNameEqValue);
void _searchenv (const char* szFileName, const char* szVar,
char* szFullPathBuf);
char* _itoa (int nValue, char* sz, int nRadix);
char* _ltoa (long lnValue, char* sz, int nRadix);
char* _ecvt (double dValue, int nDig, int* pnDec, int* pnSign);
char* _fcvt (double dValue, int nDig, int* pnDec, int* pnSign);
char* _gcvt (double dValue, int nDec, char* caBuf);
void _makepath (char* caPath, const char* szDrive, const char* szDir,
const char* szName, const char* szExtension);
void _splitpath (const char* szPath, char* caDrive, char* caDir,
char* caName, char* caExtension);
char* _fullpath (char* caBuf, const char* szPath, size_t sizeMax);
int _wtoi (const wchar_t *);
long _wtol (const wchar_t *);
char* _i64toa(__int64, char *, int);
char* _ui64toa(unsigned __int64, char *, int);
__int64 _atoi64(const char *);
wchar_t* _i64tow(__int64, wchar_t *, int);
wchar_t* _ui64tow(unsigned __int64, wchar_t *, int);
__int64 _wtoi64(const wchar_t *);
#ifndef _NO_OLDNAMES
int putenv (const char* szNameEqValue);
void searchenv (const char* szFileName, const char* szVar,
char* szFullPathBuf);
char* itoa (int nValue, char* sz, int nRadix);
char* ltoa (long lnValue, char* sz, int nRadix);
#ifndef _UWIN
char* ecvt (double dValue, int nDig, int* pnDec, int* pnSign);
char* fcvt (double dValue, int nDig, int* pnDec, int* pnSign);
char* gcvt (double dValue, int nDec, char* caBuf);
#endif /* _UWIN */
#endif /* Not _NO_OLDNAMES */
#endif /* Not __STRICT_ANSI__ */
/*
* Undefine the no return attribute used in some function definitions
*/
#undef _ATTRIB_NORETURN
#ifdef __cplusplus
}
#endif
#endif /* Not RC_INVOKED */
#endif /* Not _STDLIB_H_ */