BT_D4M4            40 dev/sbus/cgsixreg.h #define	BT_D4M4(x)	((x) & ~3)			 /* (x / 4) * 4 */
BT_D4M4            84 dev/sbus/cgthree.c #define	BT_D4M4(x)	((x) & ~3)			 /* (x / 4) * 4 */