DAC_IN_PORT      1120 dev/isa/ad1848.c     else if (port == DAC_IN_PORT) {
DAC_IN_PORT      3059 dev/isa/gus.c  	dip->un.e.member[0].ord = DAC_IN_PORT;
DAC_IN_PORT       557 dev/isa/ym.c   		dip->un.e.member[2].ord = DAC_IN_PORT;