HelenOS sources

VI_VERSION_h      323 uspace/srv/net/inetsrv/pdu.c 	uint8_t version = BIT_RANGE_EXTRACT(uint8_t, VI_VERSION_h,
VI_VERSION_h      400 uspace/srv/net/inetsrv/pdu.c 	uint8_t version = BIT_RANGE_EXTRACT(uint8_t, VI_VERSION_h,
HelenOS homepage, sources at GitHub