Signature:

  SUBROUTINE h5pset_fill_value_f(prp_id, type_id, fillvalue, hdferr)
    INTEGER(HID_T), INTENT(IN)  :: prp_id 
    INTEGER(HID_T), INTENT(IN)  :: type_id
    TYPE(C_PTR)   , INTENT(IN)  :: fillvalue
    INTEGER       , INTENT(OUT) :: hdferr

Inputs:

  prp_id    - Property list identifier
  type_id   - Datatype identifier of fill value datatype (in memory)
  fillvalue - Fillvalue

Outputs:

  hdferr    - Returns 0 if successful and -1 if fails