RpcGetAuthorizationContextForClient

function RpcGetAuthorizationContextForClient(

  ClientBinding: RPC_BINDING_HANDLE;

  ImpersonateOnReturn: BOOL;

  Reserved1: PVOID;

  pExpirationTime: PLARGE_INTEGER;

  Reserved2: LUID;

  Reserved3: DWORD;

  Reserved4: PVOID;

  var pAuthzClientContext: PVOID

):RPC_STATUS;