AF_INET AF_INET6 AF_SUPPORTED AF_UNSPEC fnet_address_family_t FNET_HTONL fnet_htonl FNET_HTONS fnet_htons fnet_inet_aton fnet_inet_ntoa fnet_inet_ntop fnet_inet_pton fnet_inet_ptos FNET_IP4_ADDR_INIT FNET_IP4_ADDR_STR_SIZE fnet_ip4_addr_t FNET_IP6_ADDR_STR_SIZE FNET_IP_ADDR_STR_SIZE fnet_msg_flags_t FNET_NTOHL fnet_ntohl FNET_NTOHS fnet_ntohs fnet_protocol_t FNET_SA_DATA_SIZE fnet_scope_id_t fnet_sd_flags_t fnet_socket fnet_socket_accept fnet_socket_addr_are_equal fnet_socket_addr_is_multicast fnet_socket_addr_is_unspecified fnet_socket_bind fnet_socket_close fnet_socket_connect fnet_socket_getname fnet_socket_getopt fnet_socket_getpeername fnet_socket_listen fnet_socket_options_t fnet_socket_recv fnet_socket_recvfrom fnet_socket_send fnet_socket_sendto fnet_socket_set_callback_on_rx fnet_socket_setopt fnet_socket_shutdown fnet_socket_state_t fnet_socket_t fnet_socket_type_t INADDR_ANY INADDR_BROADCAST

fnet_socket_t fnet_socket ( fnet_address_family_t  family, fnet_socket_type_t  type, fnet_uint32_t  protocol  ) Creates a socket. Parameters family Address family that the socket will use, defined by the fnet_address_family_t. type Type specification for the new socket, defined by fnet_socket_type_t. It can be SOCK_STREAM (TCP) or SOCK_DGRAM (UDP). protocol Protocol to be used with the socket that is specific to the indicated address family. This stack supports IPPROTO_TCP and IPPROTO_UDP. This parameter is optional, and can be set to zero, as the type already defines the proper protocol. Returns This function returns: Socket descriptor referencing the new socket, if no error occurs. FNET_NULL if an error occurs. The specific error code can be retrieved using the fnet_error_get(). See also fnet_socket_close() This function creates a socket and returns its descriptor. The fnet_socket() function causes a socket descriptor and any related resources to be allocated and bound to a specific transport-service provider that supports the requested combination of address family, socket type, and protocol parameters. After a socket is created: Connection-oriented sockets, such as the SOCK_STREAM, provide full-duplex connections. Before any data can be sent or received, it must be in a connected state . A connection to another socket is established with the fnet_socket_connect() call. Once connected, the data can be transferred using the fnet_socket_send() and the fnet_socket_recv() calls. When a session has been completed, the fnet_socket_close() must be performed. Connectionless, message-oriented sockets, such as the SOCK_DGRAM, allow sending and receiving of datagrams to and from arbitrary peers using the fnet_socket_sendto() and the fnet_socket_recvfrom(). If such a socket is connected to a specific peer, datagrams can be sent to that peer using the fnet_socket_send(), and can be received only from this peer using the fnet_socket_recv().