dos_compilers/Microsoft C v6ax/INCLUDE/STDLIB.H
2024-07-16 16:16:11 -07:00

205 lines
6.4 KiB
C

/***
*stdlib.h - declarations/definitions for commonly used library functions
*
* Copyright (c) 1985-1990, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This include file contains the function declarations for
* commonly used library functions which either don't fit somewhere
* else, or, like toupper/tolower, can't be declared in the normal
* place for other reasons.
* [ANSI]
*
****/
#if defined(_DLL) && !defined(_MT)
#error Cannot define _DLL without _MT
#endif
#ifdef _MT
#define _FAR_ _far
#else
#define _FAR_
#endif
#ifdef _DLL
#define _LOADDS_ _loadds
#else
#define _LOADDS_
#endif
#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif
/* define NULL pointer value */
#ifndef NULL
#if (_MSC_VER >= 600)
#define NULL ((void *)0)
#elif (defined(M_I86SM) || defined(M_I86MM))
#define NULL 0
#else
#define NULL 0L
#endif
#endif
/* definition of the return type for the onexit() function */
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#ifndef _ONEXIT_T_DEFINED
typedef int (_FAR_ _cdecl _LOADDS_ * _cdecl onexit_t)();
#define _ONEXIT_T_DEFINED
#endif
/* data structure definitions for div and ldiv runtimes. */
#ifndef _DIV_T_DEFINED
typedef struct _div_t {
int quot;
int rem;
} div_t;
typedef struct _ldiv_t {
long quot;
long rem;
} ldiv_t;
#define _DIV_T_DEFINED
#endif
/* maximum value that can be returned by the rand function. */
#define RAND_MAX 0x7fff
/* min and max macros */
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
/* sizes for buffers used by the _makepath() and _splitpath() functions.
* note that the sizes include space for 0-terminator
*/
#define _MAX_PATH 260 /* max. length of full pathname */
#define _MAX_DRIVE 3 /* max. length of drive component */
#define _MAX_DIR 256 /* max. length of path component */
#define _MAX_FNAME 256 /* max. length of file name component */
#define _MAX_EXT 256 /* max. length of extension component */
/* external variable declarations */
#ifdef _MT
extern int _far * _cdecl _far volatile _errno(void);
extern unsigned _far * _cdecl _far __doserrno(void);
#define errno (*_errno())
#define _doserrno (*__doserrno())
#else
extern int _near _cdecl volatile errno; /* XENIX style error number */
extern int _near _cdecl _doserrno; /* MS-DOS system error value */
#endif
extern char * _near _cdecl sys_errlist[]; /* perror error message table */
extern int _near _cdecl sys_nerr; /* # of entries in sys_errlist table */
#ifdef _DLL
extern char ** _FAR_ _cdecl environ; /* pointer to environment table */
extern int _FAR_ _cdecl _fmode; /* default file translation mode */
extern int _FAR_ _cdecl _fileinfo; /* open file info mode (for spawn) */
#else
extern char ** _near _cdecl environ; /* pointer to environment table */
extern int _near _cdecl _fmode; /* default file translation mode */
extern int _near _cdecl _fileinfo; /* open file info mode (for spawn) */
#endif
extern unsigned int _near _cdecl _psp; /* Program Segment Prefix */
/* OS major/minor version numbers */
extern unsigned char _near _cdecl _osmajor;
extern unsigned char _near _cdecl _osminor;
#define DOS_MODE 0 /* Real Address Mode */
#define OS2_MODE 1 /* Protected Address Mode */
extern unsigned char _near _cdecl _osmode;
/* function prototypes */
#ifdef _MT
double _FAR_ _pascal atof(const char _FAR_ *);
double _FAR_ _pascal strtod(const char _FAR_ *, char _FAR_ * _FAR_ *);
ldiv_t _FAR_ _pascal ldiv(long, long);
#else /* not _MT */
double _FAR_ _cdecl atof(const char _FAR_ *);
double _FAR_ _cdecl strtod(const char _FAR_ *, char _FAR_ * _FAR_ *);
ldiv_t _FAR_ _cdecl ldiv(long, long);
#endif
void _FAR_ _cdecl abort(void);
int _FAR_ _cdecl abs(int);
int _FAR_ _cdecl atexit(void (_cdecl _FAR_ _LOADDS_ *)(void));
int _FAR_ _cdecl atoi(const char _FAR_ *);
long _FAR_ _cdecl atol(const char _FAR_ *);
long double _FAR_ _cdecl _atold(const char _FAR_ *);
void _FAR_ * _FAR_ _cdecl bsearch(const void _FAR_ *, const void _FAR_ *,
size_t, size_t, int (_FAR_ _cdecl *)(const void _FAR_ *,
const void _FAR_ *));
void _FAR_ * _FAR_ _cdecl calloc(size_t, size_t);
div_t _FAR_ _cdecl div(int, int);
char _FAR_ * _FAR_ _cdecl ecvt(double, int, int _FAR_ *, int _FAR_ *);
void _FAR_ _cdecl exit(int);
void _FAR_ _cdecl _exit(int);
char _FAR_ * _FAR_ _cdecl fcvt(double, int, int _FAR_ *, int _FAR_ *);
void _FAR_ _cdecl free(void _FAR_ *);
char _FAR_ * _FAR_ _cdecl _fullpath(char _FAR_ *, const char _FAR_ *,
size_t);
char _FAR_ * _FAR_ _cdecl gcvt(double, int, char _FAR_ *);
char _FAR_ * _FAR_ _cdecl getenv(const char _FAR_ *);
char _FAR_ * _FAR_ _cdecl itoa(int, char _FAR_ *, int);
long _FAR_ _cdecl labs(long);
unsigned long _FAR_ _cdecl _lrotl(unsigned long, int);
unsigned long _FAR_ _cdecl _lrotr(unsigned long, int);
char _FAR_ * _FAR_ _cdecl ltoa(long, char _FAR_ *, int);
void _FAR_ _cdecl _makepath(char _FAR_ *, const char _FAR_ *,
const char _FAR_ *, const char _FAR_ *, const char _FAR_ *);
void _FAR_ * _FAR_ _cdecl malloc(size_t);
onexit_t _FAR_ _cdecl onexit(onexit_t);
void _FAR_ _cdecl perror(const char _FAR_ *);
int _FAR_ _cdecl putenv(const char _FAR_ *);
void _FAR_ _cdecl qsort(void _FAR_ *, size_t, size_t, int (_FAR_ _cdecl *)
(const void _FAR_ *, const void _FAR_ *));
unsigned int _FAR_ _cdecl _rotl(unsigned int, int);
unsigned int _FAR_ _cdecl _rotr(unsigned int, int);
int _FAR_ _cdecl rand(void);
void _FAR_ * _FAR_ _cdecl realloc(void _FAR_ *, size_t);
void _FAR_ _cdecl _searchenv(const char _FAR_ *, const char _FAR_ *,
char _FAR_ *);
void _FAR_ _cdecl _splitpath(const char _FAR_ *, char _FAR_ *,
char _FAR_ *, char _FAR_ *, char _FAR_ *);
void _FAR_ _cdecl srand(unsigned int);
long _FAR_ _cdecl strtol(const char _FAR_ *, char _FAR_ * _FAR_ *,
int);
long double _FAR_ _cdecl _strtold(const char _FAR_ *,
char _FAR_ * _FAR_ *);
unsigned long _FAR_ _cdecl strtoul(const char _FAR_ *,
char _FAR_ * _FAR_ *, int);
void _FAR_ _cdecl swab(char _FAR_ *, char _FAR_ *, int);
int _FAR_ _cdecl system(const char _FAR_ *);
char _FAR_ * _FAR_ _cdecl ultoa(unsigned long, char _FAR_ *, int);
#ifndef tolower /* tolower has been undefined - use function */
int _FAR_ _cdecl tolower(int);
#endif /* tolower */
#ifndef toupper /* toupper has been undefined - use function */
int _FAR_ _cdecl toupper(int);
#endif /* toupper */