File I/O Functions (Compact 2013)
3/26/2014
The following table shows the file I/O functions with a description of the purpose of each.
Function |
Description |
|---|---|
Fills a buffer with random bytes. |
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Returns the canonical form and the length of the canonical form of the specified path. |
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Obtains file notification information. |
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Closes an open object handle. |
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Copies an existing file to a new file. |
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Copies an existing file to a new file. |
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Creates a new directory. |
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Creates, opens, or truncates a file, COM port, device, service, or console. |
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Deletes the source file after it copies the content of the source file to the destination file. |
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Deletes a file from a file system. |
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Closes the specified search handle. |
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Stops change notification handle monitoring. |
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Creates a change notification handle, and sets up initial change notification filter conditions. |
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Searches a directory for a specified file or subdirectory. |
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Searches a directory for a file with a specified name and attributes. |
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Requests that the OS signal a change notification handle the next time it detects an appropriate change. |
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Continues a file search from a previous call to the FindFirstFile function. |
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Clears the buffers for the specified file and causes all buffered data to be written to the file. |
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Obtains the following information about the amount of space available on a disk volume:
|
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Obtains attributes for the specified file or directory. |
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Obtains attribute information about the specified file or directory. |
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Obtains information about the specified file. |
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Obtains the size, in bytes, of the specified file. |
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Obtains version information about a specified file. |
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Checks whether the OS can obtain version information about a specified file. |
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Fills in a STORE_INFORMATION structure with the size of the object store and the amount of free space currently in the object store. |
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Creates a name for a temporary file. |
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Obtains the path of the directory designated for temporary files. |
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Locks the specified file for exclusive access by the calling process. |
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Renames an existing file or a directory, including all its children. |
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Reads data from a file, starting at the position indicated by the file pointer. |
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Deletes an empty directory. |
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Moves the end-of-file position for the specified file to the current position of the file pointer. |
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Sets the attributes of a file. |
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Moves the file pointer of an open file. |
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Function pointer to a BOOL function. |
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This function unlocks a region in an open file. Unlocking a region enables other processes to access the region. |
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Writes data to a file. |