21 pub type socklen_t = u32;  typedef
30         pub ai_addrlen: socklen_t,
489     pub fn bind(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32;  in bind()
495     pub fn accept(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32;  in accept()
498     pub fn connect(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32;  in connect()
510         addrlen: *mut socklen_t,  in recvfrom()  argument
523         tolen: socklen_t,  in sendto()  argument
527     pub fn getpeername(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32;  in getpeername()
530     pub fn getsockname(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32;  in getsockname()
538         optlen: *mut socklen_t,  in getsockopt()  argument
547         optlen: socklen_t,  in setsockopt()  argument