CURLMcode

type CURLMcode = (

  CURLM_CALL_MULTI_PERFORM = - 1,

  CURLM_OK,

  CURLM_BAD_HANDLE,

  CURLM_BAD_EASY_HANDLE,

  CURLM_OUT_OF_MEMORY,

  CURLM_INTERNAL_ERROR,

  CURLM_BAD_SOCKET,

  CURLM_UNKNOWN_OPTION,

  CURLM_ADDED_ALREADY,

  CURLM_LAST

);