1_file_vnode 2_mbuf_data 3_mbuf_len 4_mbuf_next 5_mbuf_nextpkt 6_mbuf_pkthdr_header 7_mbuf_pkthdr_len 8_mbuf_pkthdr_rcvif 9_mbuf_pkthdr_setheader 10_mbuf_setlen 11_mbuf_setnextpkt 12_mbuf_type 13_proc_ucred 14_rootvnode 15_suser 16_ubc_setcred 17