Function apr_socket_sendto 

pub unsafe extern "C" fn apr_socket_sendto(
    sock: *mut apr_socket_t,
    where_: *mut apr_sockaddr_t,
    flags: apr_int32_t,
    buf: *const c_char,
    len: *mut apr_size_t,
) -> apr_status_t

@param sock The socket to send from @param where The apr_sockaddr_t describing where to send the data @param flags The flags to use @param buf The data to send @param len The length of the data to send