HelenOS sources

CAPR              515 uspace/drv/nic/rtl8139/driver.c 	pio_write_32(rtl8139->io_port + CAPR, 0);
CAPR              546 uspace/drv/nic/rtl8139/driver.c 	uint16_t rx_offset = pio_read_16(rtl8139->io_port + CAPR) + 16;
CAPR              609 uspace/drv/nic/rtl8139/driver.c 		pio_write_16(rtl8139->io_port + CAPR, capr_val);