44     let address_family = AddressFamily::try_from(address_family as u16)?;  in do_socket()
45     let socket_type = PosixSocketType::try_from((socket_type & 0xf) as u8)?;  in do_socket()
166             PosixSocketOption::try_from(optname as i32).map_err(|_| SystemError::ENOPROTOOPT)?;  in do_getsockopt()
199         PosixIpProtocol::try_from(level as u16).map_err(|_| SystemError::ENOPROTOOPT)?;  in do_getsockopt()
201         let optname = PosixTcpSocketOptions::try_from(optname as i32)  in do_getsockopt()
486     socket.shutdown(ShutdownType::try_from(how as i32)?)?;  in do_shutdown()
689             match AddressFamily::try_from(addr.family)? {  in to_endpoint()
720         let ret = match AddressFamily::try_from(unsafe { self.family })? {  in len()
900     fn try_from(value: u16) -> Result<Self, Self::Error> {  in try_from()  method
1021     fn try_from(value: i32) -> Result<Self, Self::Error> {  in try_from()  method
1110     fn try_from(value: i32) -> Result<Self, Self::Error> {  in try_from()  method