Symbol: DRMACH_NULL_ID
usr/src/uts/i86pc/io/acpi/drmach_acpi/drmach_acpi.h
53
#define DRMACH_NULL_ID(id) ((id) == 0)
usr/src/uts/sun4u/opl/io/drmach.c
269
#define DRMACH_NULL_ID(id) ((id) == 0)