37     tcp_port_table: SpinLock<HashMap<u16, Arc<GlobalSocketHandle>>>,
39     udp_port_table: SpinLock<HashMap<u16, Arc<GlobalSocketHandle>>>,
51     pub fn get_ephemeral_port(&self, socket_type: SocketType) -> Result<u16, SystemError> {  in get_ephemeral_port()  argument
54         static mut EPHEMERAL_PORT: u16 = 0;  in get_ephemeral_port()
57                 EPHEMERAL_PORT = (49152 + rand() % (65536 - 49152)) as u16;  in get_ephemeral_port()
62         let mut port: u16;  in get_ephemeral_port()
94         port: u16,  in get_port()  argument
113     pub fn unbind_port(&self, socket_type: SocketType, port: u16) -> Result<(), SystemError> {  in unbind_port()
357                     packet.set_total_len((20 + len) as u16);  in write()
1093 impl TryFrom<u16> for AddressFamily {
1095     fn try_from(x: u16) -> Result<Self, Self::Error> {  in try_from()