HelenOS sources

htc_tx_data_header_t  545 uspace/drv/nic/ar9271/ar9271.c 		offset = sizeof(htc_tx_data_header_t) +
htc_tx_data_header_t  555 uspace/drv/nic/ar9271/ar9271.c 		htc_tx_data_header_t *data_header =
htc_tx_data_header_t  556 uspace/drv/nic/ar9271/ar9271.c 		    (htc_tx_data_header_t *)
HelenOS homepage, sources at GitHub