tag	line	file	source code
ushort	97	include/sys/kd.h	ushort ioaddr[MKDIOADDR];  /* valid i/o addresses */
ushort	21	include/sys/vt.h	ushort v_active;  /* active vt */
ushort	22	include/sys/vt.h	ushort v_signal;  /* signal to send */
ushort	23	include/sys/vt.h	ushort v_state;    /* vt bitmask */