r_head            137 dev/ata/atavar.h     u_int8_t r_head;
r_head           1769 dev/ic/wdc.c   	wdccommand(chp, drive, wdc_c->r_command, wdc_c->r_cyl, wdc_c->r_head,
r_head           1864 dev/ic/wdc.c   		wdc_c->r_head = CHP_READ_REG(chp, wdr_sdh);
r_head           2236 dev/ic/wdc.c   	wdc_c.r_head = wi->wi_atareq.head & 0x0f;
r_head           2269 dev/ic/wdc.c   			wi->wi_atareq.head = wdc_c.r_head ;