NIC_SEC_HEARTBEAT 577 uspace/drv/nic/ne2k/dp8390.c nic_report_send_error(nic_data, NIC_SEC_HEARTBEAT, 1); NIC_SEC_HEARTBEAT 706 uspace/drv/nic/rtl8139/driver.c nic_report_send_error(nic_data, NIC_SEC_HEARTBEAT, 1); NIC_SEC_HEARTBEAT 964 uspace/lib/nic/src/nic_driver.c case NIC_SEC_HEARTBEAT:HelenOS homepage, sources at GitHub