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