sci_r0 60 dev/ic/ncr5380reg.h volatile u_char sci_r0; sci_r0 74 dev/ic/ncr5380reg.h #define sci_data sci_r0 /* r: Current data */ sci_r0 75 dev/ic/ncr5380reg.h #define sci_odata sci_r0 /* w: Out data */ sci_r0 86 dev/ic/ncr5380var.h volatile u_char *sci_r0;