1 AF_UNSPEC 0 2 AF_UNIX 1 3 AF_INET 2 4 AF_AX25 3 5 AF_IPX 4 6 AF_APPLETALK 5 7 AF_NETROM 6 8 AF_BRIDGE 7 9 AF_ATMPVC 8 10 AF_X25 9 11 AF_INET6 10 12 AF_ROSE 11 13 AF_DECnet 12 14 AF_NETBEUI 13 15 AF_SECURITY 14 16 AF_KEY 15 17 AF_NETLINK 16 18 AF_PACKET 17 19 AF_ASH 18 20 AF_ECONET 19 21 AF_ATMSVC 20 22 AF_RDS 21 23 AF_SNA 22 24 AF_IRDA 23 25 AF_PPPOX 24 26 AF_WANPIPE 25 27 AF_LLC 26 28 AF_IB 27 29 AF_MPLS 28 30 AF_CAN 29 31 AF_TIPC 30 32 AF_BLUETOOTH 31 33 AF_IUCV 32 34 AF_RXRPC 33 35 AF_ISDN 34 36 AF_PHONET 35 37 AF_IEEE802154 36 38 AF_CAIF 37 39 AF_ALG 38 40 AF_NFC 39 41 AF_VSOCK 40 42 AF_KCM 41 43 AF_QIPCRTR 42 44 AF_SMC 43 45
