Defined in 5 files as a macro:
- sys/dev/ppbus/if_plip.c, line 142 (as a macro)
- sys/dev/ppbus/lpt.c, line 90 (as a macro)
- sys/dev/ppbus/lpt.c, line 92 (as a macro)
- sys/pc98/cbus/olpt.c, line 130 (as a macro)
- sys/pc98/cbus/olpt.c, line 132 (as a macro)