Function sendto

#[unsafe(no_mangle)]
pub unsafe extern "C" fn sendto(
    socket_fd: c_int,
    buf_ptr: *const c_void,
    len: size_t,
    flag: c_int,
    socket_addr: *const sockaddr,
    addrlen: socklen_t,
) -> ssize_t

Available on crate feature net only.

Send a message on a socket to the address specified.

Return the number of bytes sent if success.