DFP - Single-File Palette Interface

DFPaddpal/dpapal	Appends a palette to a file.
DFPgetpal/dpgpal	Retrieves the next palette from file and stores it in the buffer palette.
DFPlastref/dplref	Returns the value of the reference number most recently read or written by a palette function call.
DFPnpals/dpnpals	Indicates the number of palettes in the specified file.
DFPputpal/dpppal	Writes a palette to the file.
DFPreadref/dprref	Retrieves the reference number of the palette to be retrieved next by DFPgetpal.
DFPrestart/dprest	Specifies that DFPgetpal will read the first palette in the file, rather than the next unread palette.
DFPwriteref/dpwref	Determines the reference number of the next palette to be written.