VF API Function List

Initialization and Finalization

`VFInit(Ex)`	Initializes the VF library.
`VFFinalize`	Finalizes the VF library.
`VFIsAvailable`	Checks whether the VF library has been initialized.

vff File

`VFCreateSystemFile`	Creates a vff file.
`VFDeleteSystemFile`	Deletes a vff file.

Drives

`VFMountDrive(W)`	Mounts an allocated drive for its use.
`VFUnmountDrive(W)`	Unmounts a drive.
`VFAttachDrive*(W)`	Assigns a drive.
`VFDetachDrive(W)`	Clears a drive assignment.
`VFActivateDrive*(W)`	Activates a drive.
`VFInactivateDrive(W)`	Deactivates a drive.
`VFFormatDrive(W)`	Formats a drive.
`VFSync(W)`	Writes back the data in the cache of the specified drive to the media.
`VFBuffering(W)`	Sets the write mode and write-back mode for the FAT buffer and data buffer.

Directories

`VFCreateDir(W)`	Creates a directory.
`VFChangeDir(W)`	Changes the current directory.
`VFDeleteDir(W)`	Deletes a directory.
`VFRenameDir(W)`	Changes the directory name.
`VFMoveDir(W)`	Moves to a directory.

File

`VFCreateFile(W)`	Creates a file.
`VFOpenFile(W)`	Opens a file.
`VFSeekFile`	Moves the file data's I/O pointer.
`VFReadFile`	Reads data from a file.
`VFWriteFile`	Writes data to a file.
`VFCloseFile`	Closes an open file.
`VFDeleteFile(W)`	Deletes a file.
`VFRenameFile(W)`	Changes the file name.
`VFMoveFile(W)`	Moves a file.
`VFGetFileSize(W)`	Gets the file size.
`VFGetFileSizeByFd`	Gets the file size from the file descriptor.
`VFGetOffsetByFd`	Gets the seek offset from the file descriptor.
`VFCutFileSize(W)`	Reduces the file size.
`VFFileSync`	Writes back the data in the cache of the specified file to the media.

Device Errors

VFGetLastDeviceError(W) Gets the last device error.

Other

`VFFileSearchFirst(W)`	Searches for the specified file.
`VFFileSearchNext(W)`	Performs a search for the next file.
`VFGetDriveFreeSize(W)`	Gets the number of available bytes on a drive.
`VFGetLastError`	Gets the last error.
`VFSetTimeStampCallback`	Configures the timestamp callback.
`VFGetApiErrorString`	Gets the error string from the VF error value.

Types and Structures

`VFDta`	Data structure for file searches
`VFErr`	Error type
`VFTime`	The time structure

CONFIDENTIAL