19.1.11 File operations

The API functions below allow the application to create, copy, delete, and rename a file.

API function name	Description
`AIT_FileOpen`	Opens or creates the file.
`AIT_FileClose`	Closes the file.
`AIT_FileGetLine`	Acquires data from the file.
`AIT_FilePutLine`	Writes data into the file.
`AIT_FileGetPos`	Acquires the position of the file pointer.
`AIT_FileSetPos`	Sets the file pointer at the specified position.
`AIT_FileEOF`	Checks whether the file pointer is at the end of the file.
`AIT_FileSize`	Acquires the file size.
`AIT_FileCopy`	Copies the file.
`AIT_FileDelete`	Deletes the file.
`AIT_FileExists`	Checks whether the file exists.
`AIT_FileRename`	Renames the file.
`AIT_ChangeFileAttribute`	Changes the file attribute.
`AIT_FindFirstFile`	Finds the first file.
`AIT_FindNextFile`	Finds the next file.
`AIT_FindCloseFile`	Closes the search handle.