355 lines
18 KiB
C
355 lines
18 KiB
C
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/***
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*io.h - declarations for low-level file handling and I/O functions
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file contains the function declarations for the low-level
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* file handling and I/O functions.
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*
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* [Public]
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*
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****/
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#pragma once
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#ifndef _INC_IO
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#define _INC_IO
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#include <crtdefs.h>
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/*
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* Currently, all MS C compilers for Win32 platforms default to 8 byte
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* alignment.
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*/
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#pragma pack(push,_CRT_PACKING)
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#ifndef _FSIZE_T_DEFINED
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typedef unsigned long _fsize_t; /* Could be 64 bits for Win32 */
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#define _FSIZE_T_DEFINED
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#endif /* _FSIZE_T_DEFINED */
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#ifndef _FINDDATA_T_DEFINED
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struct _finddata32_t {
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unsigned attrib;
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__time32_t time_create; /* -1 for FAT file systems */
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__time32_t time_access; /* -1 for FAT file systems */
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__time32_t time_write;
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_fsize_t size;
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char name[260];
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};
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struct _finddata32i64_t {
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unsigned attrib;
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__time32_t time_create; /* -1 for FAT file systems */
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__time32_t time_access; /* -1 for FAT file systems */
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__time32_t time_write;
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__int64 size;
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char name[260];
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};
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struct _finddata64i32_t {
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unsigned attrib;
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__time64_t time_create; /* -1 for FAT file systems */
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__time64_t time_access; /* -1 for FAT file systems */
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__time64_t time_write;
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_fsize_t size;
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char name[260];
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};
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struct __finddata64_t {
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unsigned attrib;
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__time64_t time_create; /* -1 for FAT file systems */
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__time64_t time_access; /* -1 for FAT file systems */
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__time64_t time_write;
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__int64 size;
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char name[260];
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};
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#ifdef _USE_32BIT_TIME_T
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#define _finddata_t _finddata32_t
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#define _finddatai64_t _finddata32i64_t
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#define _findfirst _findfirst32
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#define _findnext _findnext32
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#define _findfirsti64 _findfirst32i64
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#define _findnexti64 _findnext32i64
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#else /* _USE_32BIT_TIME_T */
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#define _finddata_t _finddata64i32_t
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#define _finddatai64_t __finddata64_t
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#define _findfirst _findfirst64i32
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#define _findnext _findnext64i32
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#define _findfirsti64 _findfirst64
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#define _findnexti64 _findnext64
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#endif /* _USE_32BIT_TIME_T */
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#define _FINDDATA_T_DEFINED
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#endif /* _FINDDATA_T_DEFINED */
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#ifndef _WFINDDATA_T_DEFINED
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struct _wfinddata32_t {
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unsigned attrib;
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__time32_t time_create; /* -1 for FAT file systems */
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__time32_t time_access; /* -1 for FAT file systems */
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__time32_t time_write;
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_fsize_t size;
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wchar_t name[260];
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};
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struct _wfinddata32i64_t {
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unsigned attrib;
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__time32_t time_create; /* -1 for FAT file systems */
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__time32_t time_access; /* -1 for FAT file systems */
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__time32_t time_write;
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__int64 size;
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wchar_t name[260];
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};
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struct _wfinddata64i32_t {
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unsigned attrib;
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__time64_t time_create; /* -1 for FAT file systems */
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__time64_t time_access; /* -1 for FAT file systems */
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__time64_t time_write;
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_fsize_t size;
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wchar_t name[260];
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};
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struct _wfinddata64_t {
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unsigned attrib;
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__time64_t time_create; /* -1 for FAT file systems */
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__time64_t time_access; /* -1 for FAT file systems */
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__time64_t time_write;
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__int64 size;
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wchar_t name[260];
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};
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#ifdef _USE_32BIT_TIME_T
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#define _wfinddata_t _wfinddata32_t
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#define _wfinddatai64_t _wfinddata32i64_t
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#define _wfindfirst _wfindfirst32
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#define _wfindnext _wfindnext32
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#define _wfindfirsti64 _wfindfirst32i64
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#define _wfindnexti64 _wfindnext32i64
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#else /* _USE_32BIT_TIME_T */
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#define _wfinddata_t _wfinddata64i32_t
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#define _wfinddatai64_t _wfinddata64_t
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#define _wfindfirst _wfindfirst64i32
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#define _wfindnext _wfindnext64i32
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#define _wfindfirsti64 _wfindfirst64
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#define _wfindnexti64 _wfindnext64
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#endif /* _USE_32BIT_TIME_T */
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#define _WFINDDATA_T_DEFINED
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#endif /* _WFINDDATA_T_DEFINED */
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/* File attribute constants for _findfirst() */
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#define _A_NORMAL 0x00 /* Normal file - No read/write restrictions */
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#define _A_RDONLY 0x01 /* Read only file */
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#define _A_HIDDEN 0x02 /* Hidden file */
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#define _A_SYSTEM 0x04 /* System file */
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#define _A_SUBDIR 0x10 /* Subdirectory */
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#define _A_ARCH 0x20 /* Archive file */
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/* function prototypes */
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#ifndef _SIZE_T_DEFINED
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#ifdef _WIN64
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typedef unsigned __int64 size_t;
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#else /* _WIN64 */
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typedef _W64 unsigned int size_t;
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#endif /* _WIN64 */
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#define _SIZE_T_DEFINED
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#endif /* _SIZE_T_DEFINED */
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_Check_return_ _CRTIMP int __cdecl _access(_In_z_ const char * _Filename, _In_ int _AccessMode);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _access_s(_In_z_ const char * _Filename, _In_ int _AccessMode);
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_Check_return_ _CRTIMP int __cdecl _chmod(_In_z_ const char * _Filename, _In_ int _Mode);
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/* note that the newly added _chsize_s takes a 64 bit value */
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_Check_return_ _CRTIMP int __cdecl _chsize(_In_ int _FileHandle, _In_ long _Size);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _chsize_s(_In_ int _FileHandle,_In_ __int64 _Size);
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_Check_return_opt_ _CRTIMP int __cdecl _close(_In_ int _FileHandle);
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_Check_return_opt_ _CRTIMP int __cdecl _commit(_In_ int _FileHandle);
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_Check_return_ _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl _creat(_In_z_ const char * _Filename, _In_ int _PermissionMode);
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_Check_return_ _CRTIMP int __cdecl _dup(_In_ int _FileHandle);
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_Check_return_ _CRTIMP int __cdecl _dup2(_In_ int _FileHandleSrc, _In_ int _FileHandleDst);
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_Check_return_ _CRTIMP int __cdecl _eof(_In_ int _FileHandle);
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_Check_return_ _CRTIMP long __cdecl _filelength(_In_ int _FileHandle);
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_Check_return_ _CRTIMP intptr_t __cdecl _findfirst32(_In_z_ const char * _Filename, _Out_ struct _finddata32_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _findnext32(_In_ intptr_t _FindHandle, _Out_ struct _finddata32_t * _FindData);
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_Check_return_opt_ _CRTIMP int __cdecl _findclose(_In_ intptr_t _FindHandle);
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_Check_return_ _CRTIMP int __cdecl _isatty(_In_ int _FileHandle);
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_CRTIMP int __cdecl _locking(_In_ int _FileHandle, _In_ int _LockMode, _In_ long _NumOfBytes);
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_Check_return_opt_ _CRTIMP long __cdecl _lseek(_In_ int _FileHandle, _In_ long _Offset, _In_ int _Origin);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _mktemp_s(_Inout_updates_z_(_Size) char * _TemplateName, _In_ size_t _Size);
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__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_0(errno_t, _mktemp_s, _Prepost_z_ char, _TemplateName)
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_Check_return_ __DEFINE_CPP_OVERLOAD_STANDARD_FUNC_0_0(char *, __RETURN_POLICY_DST, _CRTIMP, _mktemp, _Inout_z_, char, _TemplateName)
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#ifdef _CRT_USE_WINAPI_FAMILY_DESKTOP_APP
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_Check_return_ _CRTIMP int __cdecl _pipe(_Inout_updates_(2) int * _PtHandles, _In_ unsigned int _PipeSize, _In_ int _TextMode);
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#endif /* _CRT_USE_WINAPI_FAMILY_DESKTOP_APP */
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_Check_return_ _CRTIMP int __cdecl _read(_In_ int _FileHandle, _Out_writes_bytes_(_MaxCharCount) void * _DstBuf, _In_ unsigned int _MaxCharCount);
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#ifndef _CRT_DIRECTORY_DEFINED
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#define _CRT_DIRECTORY_DEFINED
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_CRTIMP int __cdecl remove(_In_z_ const char * _Filename);
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_Check_return_ _CRTIMP int __cdecl rename(_In_z_ const char * _OldFilename, _In_z_ const char * _NewFilename);
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_CRTIMP int __cdecl _unlink(_In_z_ const char * _Filename);
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#if !__STDC__
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_CRT_NONSTDC_DEPRECATE(_unlink) _CRTIMP int __cdecl unlink(_In_z_ const char * _Filename);
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#endif /* !__STDC__ */
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#endif /* _CRT_DIRECTORY_DEFINED */
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_Check_return_ _CRTIMP int __cdecl _setmode(_In_ int _FileHandle, _In_ int _Mode);
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_Check_return_ _CRTIMP long __cdecl _tell(_In_ int _FileHandle);
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_CRT_INSECURE_DEPRECATE(_umask_s) _CRTIMP int __cdecl _umask(_In_ int _Mode);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _umask_s(_In_ int _NewMode, _Out_ int * _OldMode);
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_CRTIMP int __cdecl _write(_In_ int _FileHandle, _In_reads_bytes_(_MaxCharCount) const void * _Buf, _In_ unsigned int _MaxCharCount);
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_Check_return_ _CRTIMP __int64 __cdecl _filelengthi64(_In_ int _FileHandle);
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_Check_return_ _CRTIMP intptr_t __cdecl _findfirst32i64(_In_z_ const char * _Filename, _Out_ struct _finddata32i64_t * _FindData);
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_Check_return_ _CRTIMP intptr_t __cdecl _findfirst64i32(_In_z_ const char * _Filename, _Out_ struct _finddata64i32_t * _FindData);
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_Check_return_ _CRTIMP intptr_t __cdecl _findfirst64(_In_z_ const char * _Filename, _Out_ struct __finddata64_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _findnext32i64(_In_ intptr_t _FindHandle, _Out_ struct _finddata32i64_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _findnext64i32(_In_ intptr_t _FindHandle, _Out_ struct _finddata64i32_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _findnext64(_In_ intptr_t _FindHandle, _Out_ struct __finddata64_t * _FindData);
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_Check_return_opt_ _CRTIMP __int64 __cdecl _lseeki64(_In_ int _FileHandle, _In_ __int64 _Offset, _In_ int _Origin);
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_Check_return_ _CRTIMP __int64 __cdecl _telli64(_In_ int _FileHandle);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _sopen_s(_Out_ int * _FileHandle, _In_z_ const char * _Filename,_In_ int _OpenFlag, _In_ int _ShareFlag, _In_ int _PermissionMode);
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_Check_return_ errno_t __cdecl _sopen_s_nolock(_Out_ int * _FileHandle, _In_z_ const char * _Filename,_In_ int _OpenFlag, _In_ int _ShareFlag, _In_ int _PermissionMode);
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#if !defined (__cplusplus)
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_Check_return_ _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl _open(_In_z_ const char * _Filename, _In_ int _OpenFlag, ...);
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_Check_return_ _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl _sopen(_In_z_ const char * _Filename, _In_ int _OpenFlag, int _ShareFlag, ...);
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#else /* !defined (__cplusplus) */
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/* these function do not validate pmode; use _sopen_s */
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extern "C++" _Check_return_ _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl _open(_In_z_ const char * _Filename, _In_ int _Openflag, _In_ int _PermissionMode = 0);
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extern "C++" _Check_return_ _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl _sopen(_In_z_ const char * _Filename, _In_ int _Openflag, _In_ int _ShareFlag, _In_ int _PermissionMode = 0);
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#endif /* !defined (__cplusplus) */
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#ifndef _WIO_DEFINED
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/* wide function prototypes, also declared in wchar.h */
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_Check_return_ _CRTIMP int __cdecl _waccess(_In_z_ const wchar_t * _Filename, _In_ int _AccessMode);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _waccess_s(_In_z_ const wchar_t * _Filename, _In_ int _AccessMode);
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_Check_return_ _CRTIMP int __cdecl _wchmod(_In_z_ const wchar_t * _Filename, _In_ int _Mode);
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_Check_return_ _CRT_INSECURE_DEPRECATE(_wsopen_s) _CRTIMP int __cdecl _wcreat(_In_z_ const wchar_t * _Filename, _In_ int _PermissionMode);
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_Check_return_ _CRTIMP intptr_t __cdecl _wfindfirst32(_In_z_ const wchar_t * _Filename, _Out_ struct _wfinddata32_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _wfindnext32(_In_ intptr_t _FindHandle, _Out_ struct _wfinddata32_t * _FindData);
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_CRTIMP int __cdecl _wunlink(_In_z_ const wchar_t * _Filename);
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_Check_return_ _CRTIMP int __cdecl _wrename(_In_z_ const wchar_t * _OldFilename, _In_z_ const wchar_t * _NewFilename);
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_CRTIMP errno_t __cdecl _wmktemp_s(_Inout_updates_z_(_SizeInWords) wchar_t * _TemplateName, _In_ size_t _SizeInWords);
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__DEFINE_CPP_OVERLOAD_SECURE_FUNC_0_0(errno_t, _wmktemp_s, _Prepost_z_ wchar_t, _TemplateName)
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__DEFINE_CPP_OVERLOAD_STANDARD_FUNC_0_0(wchar_t *, __RETURN_POLICY_DST, _CRTIMP, _wmktemp, _Inout_z_, wchar_t, _TemplateName)
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_Check_return_ _CRTIMP intptr_t __cdecl _wfindfirst32i64(_In_z_ const wchar_t * _Filename, _Out_ struct _wfinddata32i64_t * _FindData);
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_Check_return_ _CRTIMP intptr_t __cdecl _wfindfirst64i32(_In_z_ const wchar_t * _Filename, _Out_ struct _wfinddata64i32_t * _FindData);
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_Check_return_ _CRTIMP intptr_t __cdecl _wfindfirst64(_In_z_ const wchar_t * _Filename, _Out_ struct _wfinddata64_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _wfindnext32i64(_In_ intptr_t _FindHandle, _Out_ struct _wfinddata32i64_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _wfindnext64i32(_In_ intptr_t _FindHandle, _Out_ struct _wfinddata64i32_t * _FindData);
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_Check_return_ _CRTIMP int __cdecl _wfindnext64(_In_ intptr_t _FindHandle, _Out_ struct _wfinddata64_t * _FindData);
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_Check_return_wat_ _CRTIMP errno_t __cdecl _wsopen_s(_Out_ int * _FileHandle, _In_z_ const wchar_t * _Filename, _In_ int _OpenFlag, _In_ int _ShareFlag, _In_ int _PermissionFlag);
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#if !defined (__cplusplus) || !defined (_M_IX86)
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_Check_return_ _CRT_INSECURE_DEPRECATE(_wsopen_s) _CRTIMP int __cdecl _wopen(_In_z_ const wchar_t * _Filename, _In_ int _OpenFlag, ...);
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_Check_return_ _CRT_INSECURE_DEPRECATE(_wsopen_s) _CRTIMP int __cdecl _wsopen(_In_z_ const wchar_t * _Filename, _In_ int _OpenFlag, int _ShareFlag, ...);
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#else /* !defined (__cplusplus) || !defined (_M_IX86) */
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/* these function do not validate pmode; use _sopen_s */
|
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extern "C++" _CRT_INSECURE_DEPRECATE(_wsopen_s) _CRTIMP int __cdecl _wopen(_In_z_ const wchar_t * _Filename, _In_ int _OpenFlag, _In_ int _PermissionMode = 0);
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extern "C++" _CRT_INSECURE_DEPRECATE(_wsopen_s) _CRTIMP int __cdecl _wsopen(_In_z_ const wchar_t * _Filename, _In_ int _OpenFlag, _In_ int _ShareFlag, int _PermissionMode = 0);
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#endif /* !defined (__cplusplus) || !defined (_M_IX86) */
|
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#define _WIO_DEFINED
|
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#endif /* _WIO_DEFINED */
|
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int __cdecl __lock_fhandle(_In_ int _Filehandle);
|
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void __cdecl _unlock_fhandle(_In_ int _Filehandle);
|
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#ifdef _CRTBLD
|
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#ifndef _NOT_CRTL_BUILD_
|
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_Check_return_ int __cdecl _chsize_nolock(_In_ int _FileHandle,_In_ __int64 _Size);
|
||
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_Check_return_opt_ int __cdecl _close_nolock(_In_ int _FileHandle);
|
||
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_Check_return_opt_ long __cdecl _lseek_nolock(_In_ int _FileHandle, _In_ long _Offset, _In_ int _Origin);
|
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_Check_return_ int __cdecl _setmode_nolock(_In_ int _FileHandle, _In_ int _Mode);
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_Check_return_ int __cdecl _read_nolock(_In_ int _FileHandle, _Out_writes_bytes_(_MaxCharCount) void * _DstBuf, _In_ unsigned int _MaxCharCount);
|
||
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_Check_return_ int __cdecl _write_nolock(_In_ int _FileHandle, _In_reads_bytes_(_MaxCharCount) const void * _Buf, _In_ unsigned int _MaxCharCount);
|
||
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_Check_return_opt_ __int64 __cdecl _lseeki64_nolock(_In_ int _FileHandle, _In_ __int64 _Offset, _In_ int _Origin);
|
||
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|
||
|
|
#if defined (_CRT_DISABLE_PERFCRIT_LOCKS) && !defined (_DLL)
|
||
|
|
#define _chsize(fh, size) _chsize_nolock(fh, size)
|
||
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#define _close(fh) _close_nolock(fh)
|
||
|
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#define _lseek(fh, offset, origin) _lseek_nolock(fh, offset, origin)
|
||
|
|
#define _setmode(fh, mode) _setmode_nolock(fh, mode)
|
||
|
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#define _read(fh, buff, count) _read_nolock(fh, buff, count)
|
||
|
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#define _write(fh, buff, count) _write_nolock(fh, buff, count)
|
||
|
|
#define _lseeki64(fh,offset,origin) _lseeki64_nolock(fh,offset,origin)
|
||
|
|
#endif /* defined (_CRT_DISABLE_PERFCRIT_LOCKS) && !defined (_DLL) */
|
||
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|
||
|
|
#endif /* _NOT_CRTL_BUILD_ */
|
||
|
|
#endif /* _CRTBLD */
|
||
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|
||
|
|
_CRTIMP intptr_t __cdecl _get_osfhandle(_In_ int _FileHandle);
|
||
|
|
_CRTIMP int __cdecl _open_osfhandle(_In_ intptr_t _OSFileHandle, _In_ int _Flags);
|
||
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|
||
|
|
#if !__STDC__
|
||
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|
||
|
|
/* Non-ANSI names for compatibility */
|
||
|
|
|
||
|
|
#pragma warning(push)
|
||
|
|
#pragma warning(disable: 4141) /* Using deprecated twice */
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_access) _CRTIMP int __cdecl access(_In_z_ const char * _Filename, _In_ int _AccessMode);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_chmod) _CRTIMP int __cdecl chmod(_In_z_ const char * _Filename, int _AccessMode);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_chsize) _CRTIMP int __cdecl chsize(_In_ int _FileHandle, _In_ long _Size);
|
||
|
|
_Check_return_opt_ _CRT_NONSTDC_DEPRECATE(_close) _CRTIMP int __cdecl close(_In_ int _FileHandle);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_creat) _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl creat(_In_z_ const char * _Filename, _In_ int _PermissionMode);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_dup) _CRTIMP int __cdecl dup(_In_ int _FileHandle);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_dup2) _CRTIMP int __cdecl dup2(_In_ int _FileHandleSrc, _In_ int _FileHandleDst);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_eof) _CRTIMP int __cdecl eof(_In_ int _FileHandle);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_filelength) _CRTIMP long __cdecl filelength(_In_ int _FileHandle);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_isatty) _CRTIMP int __cdecl isatty(_In_ int _FileHandle);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_locking) _CRTIMP int __cdecl locking(_In_ int _FileHandle, _In_ int _LockMode, _In_ long _NumOfBytes);
|
||
|
|
_Check_return_opt_ _CRT_NONSTDC_DEPRECATE(_lseek) _CRTIMP long __cdecl lseek(_In_ int _FileHandle, _In_ long _Offset, _In_ int _Origin);
|
||
|
|
_CRT_NONSTDC_DEPRECATE(_mktemp) _CRT_INSECURE_DEPRECATE(_mktemp_s) _CRTIMP char * __cdecl mktemp(_Inout_z_ char * _TemplateName);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_open) _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl open(_In_z_ const char * _Filename, _In_ int _OpenFlag, ...);
|
||
|
|
_CRT_NONSTDC_DEPRECATE(_read) _CRTIMP int __cdecl read(int _FileHandle, _Out_writes_bytes_(_MaxCharCount) void * _DstBuf, _In_ unsigned int _MaxCharCount);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_setmode) _CRTIMP int __cdecl setmode(_In_ int _FileHandle, _In_ int _Mode);
|
||
|
|
_CRT_NONSTDC_DEPRECATE(_sopen) _CRT_INSECURE_DEPRECATE(_sopen_s) _CRTIMP int __cdecl sopen(const char * _Filename, _In_ int _OpenFlag, _In_ int _ShareFlag, ...);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_tell) _CRTIMP long __cdecl tell(_In_ int _FileHandle);
|
||
|
|
_CRT_NONSTDC_DEPRECATE(_umask) _CRT_INSECURE_DEPRECATE(_umask_s) _CRTIMP int __cdecl umask(_In_ int _Mode);
|
||
|
|
_Check_return_ _CRT_NONSTDC_DEPRECATE(_write) _CRTIMP int __cdecl write(_In_ int _Filehandle, _In_reads_bytes_(_MaxCharCount) const void * _Buf, _In_ unsigned int _MaxCharCount);
|
||
|
|
#pragma warning(pop)
|
||
|
|
|
||
|
|
#endif /* !__STDC__ */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
|
||
|
|
#pragma pack(pop)
|
||
|
|
|
||
|
|
#endif /* _INC_IO */
|