C语言头文件 IO C语言头文件 IO

/*** *io.h - declarations for low-level file handling and I/O functions * * Copyright (c) 1985-1997, Microsoft Corporation. All rights reserved. * *Purpose: * This file contains the function declarations for the low-level * file handling and I/O functions. * * [Public] * ****/ #if _MSC_VER > 1000 #pragma once #endif #ifndef _INC_IO #define _INC_IO #if !defined(_WIN32) && !defined(_MAC) #error ERROR: Only Mac or Win32 targets supported! #endif #ifdef _MSC_VER /* * Currently, all MS C compilers for Win32 platforms default to 8 byte * alignment. */ #pragma pack(push,8) #endif /* _MSC_VER */ #ifndef _POSIX_ #ifdef __cplusplus extern "C" { #endif /* Define _CRTIMP */ #ifndef _CRTIMP #ifdef _DLL #define _CRTIMP __declspec(dllimport) #else /* ndef _DLL */ #define _CRTIMP #endif /* _DLL */ #endif /* _CRTIMP */ /* Define __cdecl for non-Microsoft compilers */ #if ( !defined(_MSC_VER) && !defined(__cdecl) ) #define __cdecl #endif /* Define _CRTAPI1 (for compatibility with the NT SDK) */ #ifndef _CRTAPI1 #if _MSC_VER >= 800 && _M_IX86 >= 300 #define _CRTAPI1 __cdecl #else #define _CRTAPI1 #endif #endif #ifndef _MAC #ifndef _WCHAR_T_DEFINED typedef unsigned short wchar_t; #define _WCHAR_T_DEFINED #endif #endif /* ndef _MAC */ #ifndef _TIME_T_DEFINED typedef long time_t; /* time value */ #define _TIME_T_DEFINED /* avoid multiple def's of time_t */ #endif #ifndef _FSIZE_T_DEFINED typedef unsigned long _fsize_t; /* Could be 64 bits for Win32 */ #define _FSIZE_T_DEFINED #endif #ifndef _MAC #ifndef _FINDDATA_T_DEFINED struct _finddata_t { unsigned attrib; time_t time_create; /* -1 for FAT file systems */ time_t time_access; /* -1 for FAT file systems */ time_t time_write; _fsize_t size; char name[260]; }; #if _INTEGRAL_MAX_BITS >= 64 struct _finddatai64_t { unsigned attrib; time_t time_create; /* -1 for FAT file systems */ time_t time_access; /* -1 for FAT file systems */ time_t time_write; __int64 size; char name[260]; }; #endif #define _FINDDATA_T_DEFINED #endif #ifndef _WFINDDATA_T_DEFINED struct _wfinddata_t { unsigned attrib; time_t time_create; /* -1 for FAT file systems */ time_t time_access; /* -1 for FAT file systems */ time_t time_write; _fsize_t size; wchar_t name[260]; }; #if _INTEGRAL_MAX_BITS >= 64 struct _wfinddatai64_t { unsigned attrib; time_t time_create; /* -1 for FAT file systems */ time_t time_access; /* -1 for FAT file systems */ time_t time_write; __int64 size; wchar_t name[260]; }; #endif #define _WFINDDATA_T_DEFINED #endif /* File attribute constants for _findfirst() */ #define _A_NORMAL 0x00 /* Normal file - No read/write restrictions */ #define _A_RDONLY 0x01 /* Read only file */ #define _A_HIDDEN 0x02 /* Hidden file */ #define _A_SYSTEM 0x04 /* System file */ #define _A_SUBDIR 0x10 /* Subdirectory */ #define _A_ARCH 0x20 /* Archive file */ #endif /* ndef _MAC */ /* function prototypes */ _CRTIMP int __cdecl _access(const char *, int); _CRTIMP int __cdecl _chmod(const char *, int); _CRTIMP int __cdecl _chsize(int, long); _CRTIMP int __cdecl _close(int); _CRTIMP int __cdecl _commit(int); _CRTIMP int __cdecl _creat(const char *, int); _CRTIMP int __cdecl _dup(int); _CRTIMP int __cdecl _dup2(int, int); _CRTIMP int __cdecl _eof(int); _CRTIMP long __cdecl _filelength(int); #ifndef _MAC _CRTIMP long __cdecl _findfirst(const char *, struct _finddata_t *); _CRTIMP int __cdecl _findnext(long, struct _finddata_t *); _CRTIMP int __cdecl _findclose(long); #endif /* ndef _MAC */ _CRTIMP int __cdecl _isatty(int); _CRTIMP int __cdecl _locking(int, int, long); _CRTIMP long __cdecl _lseek(int, long, int); _CRTIMP char * __cdecl _mktemp(char *); _CRTIMP int __cdecl _open(const char *, int, ...); #ifndef _MAC _CRTIMP int __cdecl _pipe(int *, unsigned int, int); #endif /* ndef _MAC */ _CRTIMP int __cdecl _read(int, void *, unsigned int); _CRTIMP int __cdecl remove(const char *); _CRTIMP int __cdecl rename(const char *, const char *); _CRTIMP int __cdecl _setmode(int, int); _CRTIMP int __cdecl _sopen(const char *, int, int, ...); _CRTIMP long __cdecl _tell(int); _CRTIMP int __cdecl _umask(int); _CRTIMP int __cdecl _unlink(const char *); _CRTIMP int __cdecl _write(int, const void *, unsigned int); #if _INTEGRAL_MAX_BITS >= 64 _CRTIMP __int64 __cdecl _filelengthi64(int); _CRTIMP long __cdecl _findfirsti64(const char *, struct _finddatai64_t *); _CRTIMP int __cdecl _findnexti64(long, struct _finddatai64_t *); _CRTIMP __int64 __cdecl _lseeki64(int, __int64, int); _CRTIMP __int64 __cdecl _telli64(int); #endif #ifndef _MAC #ifndef _WIO_DEFINED /* wide function prototypes, also declared in wchar.h */ _CRTIMP int __cdecl _waccess(const wchar_t *, int); _CRTIMP int __cdecl _wchmod(const wchar_t *, int); _CRTIMP int __cdecl _wcreat(const wchar_t *, int); _CRTIMP long __cdecl _wfindfirst(const wchar_t *, struct _wfinddata_t *); _CRTIMP int __cdecl _wfindnext(long, struct _wfinddata_t *); _CRTIMP int __cdecl _wunlink(const wchar_t *); _CRTIMP int __cdecl _wrename(const wchar_t *, const wchar_t *); _CRTIMP int __cdecl _wopen(const wchar_t *, int, ...); _CRTIMP int __cdecl _wsopen(const wchar_t *, int, int, ...); _CRTIMP wchar_t * __cdecl _wmktemp(wchar_t *); #if _INTEGRAL_MAX_BITS >= 64 _CRTIMP long __cdecl _wfindfirsti64(const wchar_t *, struct _wfinddatai64_t *); _CRTIMP int __cdecl _wfindnexti64(long, struct _wfinddatai64_t *); #endif #define _WIO_DEFINED #endif #endif /* ndef _MAC */ _CRTIMP long __cdecl _get_osfhandle(int); _CRTIMP int __cdecl _open_osfhandle(long, int); #if !__STDC__ /* Non-ANSI names for compatibility */ _CRTIMP int __cdecl access(const char *, int); _CRTIMP int __cdecl chmod(const char *, int); _CRTIMP int __cdecl chsize(int, long); _CRTIMP int __cdecl close(int); _CRTIMP int __cdecl creat(const char *, int); _CRTIMP int __cdecl dup(int); _CRTIMP int __cdecl dup2(int, int); _CRTIMP int __cdecl eof(int); _CRTIMP long __cdecl filelength(int); _CRTIMP int __cdecl isatty(int); _CRTIMP int __cdecl locking(int, int, long); _CRTIMP long __cdecl lseek(int, long, int); _CRTIMP char * __cdecl mktemp(char *); _CRTIMP int __cdecl open(const char *, int, ...); _CRTIMP int __cdecl read(int, void *, unsigned int); _CRTIMP int __cdecl setmode(int, int); _CRTIMP int __cdecl sopen(const char *, int, int, ...); _CRTIMP long __cdecl tell(int); _CRTIMP int __cdecl umask(int); _CRTIMP int __cdecl unlink(const char *); _CRTIMP int __cdecl write(int, const void *, unsigned int); #endif /* __STDC__ */ #ifdef __cplusplus } #endif #endif /* _POSIX_ */ #ifdef _MSC_VER #pragma pack(pop) #endif /* _MSC_VER */ #endif /* _INC_IO */