OPL_FNUM_FAIL     337 dev/ic/opl.c   		return (OPL_FNUM_FAIL);
OPL_FNUM_FAIL     495 dev/ic/opl.c   		if (block_fnum != OPL_FNUM_FAIL)
OPL_FNUM_FAIL     506 dev/ic/opl.c   	if ((block_fnum == OPL_FNUM_FAIL) || (m_mult > 15) || (c_mult > 15)) {