HelenOS sources
nic_fun_add_to_cats 2205 uspace/drv/nic/e1k/e1k.c rc = nic_fun_add_to_cats(fun);
nic_fun_add_to_cats 453 uspace/drv/nic/ne2k/ne2k.c rc = nic_fun_add_to_cats(fun);
nic_fun_add_to_cats 1316 uspace/drv/nic/rtl8139/driver.c rc = nic_fun_add_to_cats(fun);
nic_fun_add_to_cats 463 uspace/drv/nic/rtl8169/driver.c rc = nic_fun_add_to_cats(fun);
nic_fun_add_to_cats 430 uspace/drv/nic/virtio-net/virtio-net.c rc = nic_fun_add_to_cats(fun);
nic_fun_add_to_cats 284 uspace/lib/nic/include/nic.h extern errno_t nic_fun_add_to_cats(ddf_fun_t *fun);
HelenOS homepage, sources at GitHub