HelenOS sources

DRIVER_DATA        64 uspace/drv/nic/ne2k/ne2k.c #define NE2K(device) ((ne2k_t *) nic_get_specific(DRIVER_DATA(device)))
DRIVER_DATA       241 uspace/drv/nic/ne2k/ne2k.c 	nic_t *nic_data = DRIVER_DATA(dev);
DRIVER_DATA       275 uspace/drv/nic/ne2k/ne2k.c 	nic_t *nic_data = DRIVER_DATA(ddf_fun_get_dev(fun));
HelenOS homepage, sources at GitHub