NDF_BAD( INDF, COMP, CHECK, BAD, STATUS )
-- Determine if an NDF array component may contain bad pixels
NDF_BB( INDF, BADBIT, STATUS )
-- Obtain the bad-bits mask value for the quality component of an NDF
NDF_CLEN( INDF, COMP, LENGTH, STATUS )
-- Determine the length of an NDF character component
NDF_CMPLX( INDF, COMP, CMPLX, STATUS )
-- Determine whether an NDF array component holds complex values
NDF_FORM( INDF, COMP, FORM, STATUS )
-- Obtain the storage form of an NDF array component
NDF_FTYPE( INDF, COMP, FTYPE, STATUS )
-- Obtain the full type of an NDF array component
NDF_QMF( INDF, QMF, STATUS )
-- Obtain the value of an NDF's quality masking flag
NDF_STATE( INDF, COMP, STATE, STATUS )
-- Determine the state of an NDF component (defined or undefined)
NDF_TYPE( INDF, COMP, TYPE, STATUS )
-- Obtain the numeric type of an NDF array component