socket_listen
if (socket_listen(PF_INET, SOCK_STREAM, 0, 0, 0, 0, &sock, "PF_INET",
if (socket_listen(PF_INET, SOCK_STREAM, 0, -1, 0, somaxconn, &sock,
if (socket_listen(PF_INET, SOCK_STREAM, 0, 1, 0, 1, &sock, "PF_INET",
if (socket_listen(PF_INET, SOCK_STREAM, 0, somaxconn, 0, somaxconn,
if (socket_listen(PF_INET, SOCK_STREAM, 0, somaxconn+1, 0, somaxconn,