574 #define FUNCTION(x)	(x >> 4)  macro
654 	switch ( FUNCTION( dev2unit(dev) ) ) {  in bktr_open()
695 	switch ( FUNCTION( dev2unit(dev) ) ) {  in bktr_close()
733 	switch ( FUNCTION( dev2unit(dev) ) ) {  in bktr_read()
781 	switch ( FUNCTION( dev2unit(dev) ) ) {  in bktr_ioctl()
804 	if (FUNCTION(dev2unit(dev)) > 0)	/* only allow mmap on /dev/bktr[n] */  in bktr_mmap()
849 		switch ( FUNCTION( dev2unit(dev) ) ) {  in bktr_poll()
1196 #define FUNCTION(x)     (dev2unit((x >> 4) & 0x0f))  macro
1218 	switch (FUNCTION(dev)) {  in bktr_open()
1244 	switch (FUNCTION(dev)) {  in bktr_close()
1269 	switch (FUNCTION(dev)) {  in bktr_read()
1306 	switch (FUNCTION(dev)) {  in bktr_ioctl()
1327 	if (FUNCTION(dev) > 0)	/* only allow mmap on /dev/bktr[n] */  in bktr_mmap()