...packet to an IPv6 socket, its source address will be mapped to v6. Address format struct sockaddr_in6 { sa_family_t sin6_family; /* AF_INET6 */ in_port_t sin6_port; /* port numb…...ess format A UNIX domain socket address is represented in the following structure: struct sockaddr_un { sa_family_t sun_family; /* AF_UNIX */ char sun_path[108]; /* Pathname */ …...eq structure: struct ifreq { char ifr_name[IFNAMSIZ]; /* Interface name */ union { struct sockaddr ifr_addr; struct sockaddr ifr_dstaddr; struct sockaddr ifr_broadaddr; struct s…...ns (via the ENOBUFS error returned by recvmsg (2)) and resynchronize. Address formats The sockaddr_nl structure describes a netlink client in user space or in the kernel. A sock…...el header removed. The link-level header information is available in a common format in a sockaddr_ll structure. protocol is the IEEE 802.3 protocol number in network byte order…...port number differentiates between multiple services running on a single machine. struct sockaddr_vm { sa_family_t svm_family; /* Address family: AF_VSOCK */ unsigned short svm_…...s two socket options to control the checksum coverage. Address format UDP-Litev4 uses the sockaddr_in address format described in ip (7). UDP-Litev6 uses the sockaddr_in6 addres…...nnection will be reset. Socket addresses The AF_X25 socket address family uses the struct sockaddr_x25 for representing network addresses as defined in ITU-T recommendation X.12…...sockets. They take a pointer to a struct arpreq as their argument. struct arpreq { struct sockaddr arp_pa; /* protocol address */ struct sockaddr arp_ha; /* hardware address */ …...ocols like udp (7) and tcp (7). On raw sockets sin_port is set to the IP protocol. struct sockaddr_in { sa_family_t sin_family; /* address family: AF_INET */ in_port_t sin_port;…...e <linux/sock_diag.h> #include <linux/unix_diag.h> static int send_query(int fd) { struct sockaddr_nl nladdr = { .nl_family = AF_NETLINK }; struct { struct nlmsghdr nlh; struct …...and a port number. struct at_addr { unsigned short s_net; unsigned char s_node; }; struct sockaddr_atalk { sa_family_t sat_family; /* address family */ unsigned char sat_port; /…...eceiving datagrams ( sendto (2), recvfrom (2), and similar), raw sockets use the standard sockaddr_in address structure defined in ip (7). The sin_port field could be used to sp…...any type of socket address to be passed to interfaces in the sockets API, the type struct sockaddr is defined. The purpose of this type is purely to allow casting of domain-spec…...not recommended for performance and reliability reasons. Address format UDP uses the IPv4 sockaddr_in address format described in ip (7). Error handling All fatal errors will be…...s; ++n) { if (events[n].data.fd == listen_sock) { conn_sock = accept(listen_sock, (struct sockaddr *) &addr, &addrlen); if (conn_sock == -1) { perror("accept"); exit(EXIT_FAILUR…List all manpages from the systemd project NAME systemd.index - List all manpages from the systemd project 3 30-systemd-environment-d-generator (8) — Load variables specified by en…list of eBPF helper functions NAME BPF-HELPERS - list of eBPF helper functions DESCRIPTION The extended Berkeley Packet Filter (eBPF) subsystem consists in programs written in a ps…