904 	int rv, cur_buf, left, have, tpcnt;  in child_copy()  local
922 			have = (left < Out.f_bsize) ? left : Out.f_bsize;  in child_copy()
928 				have = (tpcnt < have) ? tpcnt : have;  in child_copy()
931 			if ((rv = g_write(Out.f_dev, Out.f_des, c_p, have)) <  in child_copy()
961 	int rv, left, have, tpcnt, cur_buf;  in parent_copy()  local
984 			have = (xfer_cnt < In.f_bsize) ? xfer_cnt : In.f_bsize;  in parent_copy()
995 				have = (tpcnt < have) ? tpcnt : have;  in parent_copy()
998 			if ((rv = g_read(In.f_dev, In.f_des, c_p, have)) < 0) {  in parent_copy()
1047 	int rv, left, have, tpcnt = 1, xfer_cnt = Fs * BLKSIZ;  in copy()  local
1057 			have = (xfer_cnt < In.f_bsize) ? xfer_cnt : In.f_bsize;  in copy()
1065 				have = (tpcnt < have) ? tpcnt : have;  in copy()
1068 			if ((rv = g_read(In.f_dev, In.f_des, c_p, have)) < 0) {  in copy()
1088 			have = (left < Out.f_bsize) ? left : Out.f_bsize;  in copy()
1094 				have = (tpcnt < have) ? tpcnt : have;  in copy()
1097 			if ((rv = g_write(Out.f_dev, Out.f_des, c_p, have)) <  in copy()