C# Winsock2.h function translation error

//C++ Source

WINSOCK_API_LINKAGE
int
WSAAPI
getpeername(
    __in SOCKET s,
    __out_bcount_part(*namelen,*namelen) struct sockaddr FAR * name,
    __inout int FAR * namelen
    )

//C# Translation

/// <summary>
    /// The getpeername function retrieves the address of the peer to which a socket is connected.
    /// </summary>
    /// <param name="s">A descriptor identifying a connected socket.</param>
    /// <param name="name">The SOCKADDR structure that receives the address of the peer.</param>
    /// <param name="namelen">A pointer to the size, in bytes, of the name parameter.</param>
    /// <returns>If no error occurs, getpeername returns zero. Otherwise, a value of SOCKET_ERROR is returned, and a specific error code can be retrieved by calling WSAGetLastError.</returns>
    /// <remarks>http://msdn.microsoft.com/en-us/library/windows/desktop/ms738533%28v=VS.85%29.aspx</remarks>
  [System.Runtime.InteropServices.DllImportAttribute("ws2_32.dll", EntryPoint="getpeername", CallingConvention=System.Runtime.InteropServices.CallingConvention.StdCall)]
  public static extern  int getpeername([System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.SysUInt)] uint s, System.IntPtr name, ref int namelen) ;

//C# error
Error 1 "Expected Class, Delegate, Enum, Interface or Struct."