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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 <[e-mail]>
 *
 *  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: 1.1.1.1 $
 * $Author: brandon6684 $
 * $Date: 2001/12/18 22:54:00 $
 *
 */
/* Appropriated for Reactos Crtdll by Ariadne */
/* added splitpath */
/* changed definition of environ and argc */
/* moved prototype for swab from string.h to stdlib.h */
#ifndef _STDLIB_H_
#define _STDLIB_H_

#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_dll;
    extern char***	__argv_dll;
    extern char***	_environ_dll;
#define __argc      (*__argc_dll)
#define __argv      (*__argv_dll)
#define _environ    (*_environ_dll)
    
    
#define __need_size_t
#define __need_wchar_t
#define __need_NULL
#include <crtdll/stddef.h>
    
#include <crtdll/mbstring.h>
    
#ifndef  __ATTRIB_NORETURN
#ifdef	__GNUC__
#define	_ATTRIB_NORETURN	__attribute__ ((noreturn))
#else	/* Not __GNUC__ */
#define	_ATTRIB_NORETURN
#endif	/* __GNUC__ */
#endif
    
    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);
    
    
    /*
     * RAND_MAX is the maximum value that may be returned by rand.
     * The minimum is zero.
     */
#define	RAND_MAX	0x7FFF
    
    int	rand	(void);
    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);
    
    /* These values may be used as exit status codes. */
#define	EXIT_SUCCESS	0
#define	EXIT_FAILURE	-1
    
    void	abort	(void)  _ATTRIB_NORETURN;
    void	exit	(int nStatus) _ATTRIB_NORETURN;
    int	atexit	(void (*pfuncExitProcessing)(void));
    
    int	system	(const char* szCommand); // impl in process
    char*	getenv	(const char* szVarName); // impl in stdio
    
    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;
    typedef struct { long long quot, rem; } lldiv_t;
    
    div_t	div	(int nNumerator, int nDenominator);
    ldiv_t	ldiv	(long lNumerator, long lDenominator);
    lldiv_t	lldiv	(long long lNumerator, long 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);
    
    void _splitpath( const char *path, char *drive, char *dir,
                    char *fname, char *ext );
    
    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);
    
    char*	_fullpath (char* caBuf, const char* szPath, size_t sizeMax);
    
    void	_swab (const char* caFrom, char* caTo, size_t sizeToCopy);
    
    unsigned int _rotl( unsigned int value, int shift );
    unsigned int _rotr( unsigned int value, int shift );
    unsigned long _lrotl( unsigned long value, int shift );
    unsigned long _lrotr( unsigned long value, int shift );
    
    
    
    
#ifndef	_NO_OLDNAMES
#define	 beep 		_beep
#define  seterrormode 	_seterrormode 
#define  sleep		_sleep
#define  putenv 	_putenv
#define  searchenv 	_searchenv
#define  splitpath      _splitpath
    
#define  itoa		_itoa
#define  ltoa 		_ltoa
    
#define  ecvt		_ecvt
#define  fcvt		_fcvt
#define  gcvt		_gcvt
    
#define  swab		_swab
#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 /* _STDLIB_H_ */