NAME
        FreeIFF -- deallocate an iffhandle structure. (v36)
   SYNOPSIS
        FreeIFF(iff);
                A0
        VOID FreeIFF(struct iffhandle *);
   FUNCTION
        Deallocates all resources associated with this iffhandle structure.
        The structure MUST have already been closed with closeiff().
   INPUTS
        iff - pointer to iffhandle structure to free. starting with v39,
              this may be NULL.
   SEE ALSO
        allociff(), closeiff(), <libraries/iffparse.h>