intn DFPreadref(char *filename, uint16 ref)
filename
IN:
Name of the file
ref
Reference number to be used in next DFPgetpal call
Purpose
Retrieves the reference number of the palette to be retrieved next by DFPgetpal.
Return value
Returns SUCCEED (or 0) if the palette with the specified reference number exists and FAIL (or -1) otherwise.
Description
Used to set the reference number of the next palette to be retrieved.
FORTRAN
integer function dprref(filename, ref)
character*(*) filename
integer ref