| Platform SDK: Files and I/O |
The following functions are used with files.
| Function | Description |
|---|---|
| AreFileApisANSI | Determines whether the file I/O functions are using the ANSI or OEM character set code page. |
| CancelIo | Cancels all pending I/O operations that were issued by the calling thread for the specified file handle. |
| CloseHandle | Closes an open object handle. |
| CopyFile | Copies an existing file to a new file. |
| CopyFileEx | Copies an existing file to a new file. |
| CopyProgressRoutine | An application-defined callback function used with CopyFileEx and MoveFileWithProgress. |
| CreateDirectory | Creates a new directory. |
| CreateDirectoryEx | Creates a new directory with the attributes of a specified template directory. |
| CreateFile | Creates or opens a file object. |
| CreateIoCompletionPort | Creates and I/O completion port or associates an instance of an opened file with a newly created or an existing I/O completion port. |
| DefineDosDevice | Defines, redefines, or deletes MS-DOS device names. |
| DeleteFile | Deletes an existing file. |
| FileIOCompletionRoutine | An application-defined callback function used with ReadFileEx and WriteFileEx. |
| FindClose | Closes the specified search handle. |
| FindCloseChangeNotification | Stops change notification handle monitoring. |
| FindFirstChangeNotification | Creates a change notification handle. |
| FindFirstFile | Searches a directory for a file whose name matches the specified file name. |
| FindFirstFileEx | Searches a directory for a file whose name and attributes match those specified. |
| FindNextChangeNotification | Requests that the operating system signal a change notification handle the next time it detects an appropriate change. |
| FindNextFile | Continues a file search. |
| FlushFileBuffers | Clears the buffers for the specified file and causes all buffered data to be written to the file. |
| GetBinaryType | Determines whether a file is executable. |
| GetCurrentDirectory | Retrieves the current directory for the current process. |
| GetDiskFreeSpace | Retrieves information about the specified disk, including the amount of free space on the disk. |
| GetDiskFreeSpaceEx | Retrieves information about the specified disk, including the amount of free space on the disk. |
| GetDriveType | Determines whether a disk drive is a removable, fixed, CD-ROM, RAM disk, or network drive. |
| GetFileAttributes | Retrieves attributes for a specified file or directory. |
| GetFileAttributesEx | Retrieves attributes for a specified file or directory. |
| GetFileInformationByHandle | Retrieves file information for a specified file. |
| GetFileSize | Retrieves the size of a specified file. |
| GetFileSizeEx | Retrieves the size of a specified file. |
| GetFileType | Retrieves the file type of the specified file. |
| GetFullPathName | Retrieves the full path and file name of a specified file. |
| GetLogicalDrives | Returns a bitmask representing the currently available disk drives. |
| GetLogicalDriveStrings | Fills a buffer with strings that specify valid drives in the system. |
| GetLongPathName | Converts the specified path to its long form. |
| GetQueuedCompletionStatus | Attempts to dequeue an I/O completion packet from a specified I/O completion port. |
| GetShortPathName | Retrieves the short path form of a specified input path. |
| GetTempFileName | Creates a name for a temporary file. |
| GetTempPath | Retrieves the path of the directory designated for temporary files. |
| Int32x32To64 | Multiplies two signed 32-bit integers. |
| Int64ShllMod32 | Performs a left logical shift operation on an unsigned 64-bit integer value. |
| Int64ShraMod32 | Performs a right arithmetic shift operation on a signed 64-bit integer value. |
| Int64ShrlMod32 | Performs a right logical shift operation on an unsigned 64-bit integer value. |
| LockFile | Locks a region in an open file. |
| LockFileEx | Locks a region in an open file for shared or exclusive access. |
| MoveFile | Moves an existing file or a directory. |
| MoveFileEx | Moves an existing file or a directory. |
| MoveFileWithProgress | Moves a file or directory. |
| MulDiv | Multiplies two 32-bit values and then divides the 64-bit result by a third 32-bit value. |
| PostQueuedCompletionStatus | Posts an I/O completion packet to an I/O completion port. |
| QueryDosDevice | Retrieves information about MS-DOS device names. |
| ReadDirectoryChangesW | Retrieves information describing the changes occurring within a directory. |
| ReadFile | Reads data from a file, starting at the specified position. |
| ReadFileEx | Reads data from a file asynchronously. |
| ReadFileScatter | Reads data from a file and stores the data into a set of buffers. |
| RemoveDirectory | Deletes an existing empty directory. |
| ReplaceFile | Replaces one file with another file. |
| SearchPath | Searches for the specified file. |
| SetCurrentDirectory | Changes the current directory for the current process. |
| SetEndOfFile | Moves the end-of-file position for the specified file. |
| SetFileApisToANSI | Causes the file I/O functions to use the ANSI character set code page. |
| SetFileApisToOEM | Causes the file I/O functions to use the OEM character set code page. |
| SetFileAttributes | Sets a file's attributes. |
| SetFilePointer | Moves the file pointer of an open file. |
| SetFilePointerEx | Moves the file pointer of an open file. |
| SetFileSecurity | Sets the security of a file or directory object. |
| SetVolumeLabel | Sets the label of a file system volume. |
| UInt32x32To64 | Multiplies two unsigned 32-bit integers, returning an unsigned 64-bit integer result. |
| UnlockFile | Unlocks a previously locked region in an open file. |
| UnlockFileEx | Unlocks a previously locked region in an open file. |
| WriteFile | Writes data to a file. |
| WriteFileEx | Writes data to a file asynchronously. |
| WriteFileGather | Gathers data from a set of buffers and writes the data to a file. |
These functions are provided only for compatibility with 16-bit versions of Windows.
_hread
_hwrite
_lclose
_lcreat
_llseek
_lopen
_lread
_lwrite
OpenFile
SetHandleCount