HelenOS sources

CMD_PIO_READ_16   118 kernel/generic/src/ipc/irq.c 		case CMD_PIO_READ_16:
CMD_PIO_READ_16   462 kernel/generic/src/ipc/irq.c 		case CMD_PIO_READ_16:
CMD_PIO_READ_16    76 uspace/drv/bus/usb/uhci/hc.c 		.cmd = CMD_PIO_READ_16,
CMD_PIO_READ_16   640 uspace/drv/nic/rtl8139/driver.c 		.cmd = CMD_PIO_READ_16,
CMD_PIO_READ_16   129 uspace/drv/nic/rtl8169/driver.c 		.cmd = CMD_PIO_READ_16,