#ifndef SOCKET_DOT_H#define SOCKET_DOT_H#include <unistd.h>#include <fcntl.h>#include <sys/time.h>#include <sys/types.h>#include <sys/socket.h>#include <netinet/in.h>#include <netdb.h>#include <arpa/inet.h>typedef struct socket_st Socket;extern Socket *socket_serve_tcp( const char *hname, int port, int backlog );extern Socket *socket_accept( const Socket *listen_sock );extern Socket *socket_new();extern const char *socket_query_remote_name( Socket *sock );extern int socket_query_fd( const Socket *sock );extern void socket_dest( Socket *sock );extern Socket **socket_unix_pair( int type );extern void socket_unix_pair_dest( Socket **sockpair );extern Socket *socket_connect( const char *remote_name, int remote_port );extern int socket_set_nonblock( Socket *sock );extern void socket_zero( Socket *sock );#endif