File Management Functions

Functions for managing files and directories in the Windows operating system.

Core File Operations

Creates or opens a file, drive, or communication resource.

Closes an open object handle.

Reads data from a file or from the console buffer.

Writes data to a file or to the console buffer.

Moves the file pointer of the specified file to a location.

Retrieves the size, in bytes, of the specified file.

Flushes the buffers for the specified file and causes any buffered data to be written to disk.

Sends control codes to a specified device driver to perform requested operations.

Retrieves various pieces of information about a specified file.

Moves the end-of-file (EOF) marker for the specified file to the specified byte offset.

Retrieves the actual size of a compressed file.

Sets the attributes for a file or directory.

Retrieves the attributes for a specified file or directory.

Copies an existing file to a new location.

Moves an existing file or directory from one location to another.

Deletes a specified file.

Locks a portion of a file, preventing other processes from accessing it.

Unlocks a previously locked portion of a file.