anchor.diff:    ZMQ_QUEUE     = 3 deprecated;
   
   (*  Deprecated method *)
  -function zmq_device(kind: Integer; frontend, backend: Pointer): Integer; cdecl; external LIBZEROMQ; deprecated;
  +function zmq_device(kind: Integer; frontend, backend: Pointer): Integer; cdecl; external LIBZEROMQ delayed; deprecated;
   
   (*  These functions are not documented by man pages                           *)
   
  
positive.code: (*  of this function is to make the code 100% portable, including where 0MQ   *)
  (*  compiled with certain CRT library (on Windows) is linked to an            *)
  (*  application that uses different CRT library.                              *)
    function zmq_errno(): Integer; cdecl; external LIBZEROMQ;
  
  (*  Resolves system errors and 0MQ errors to human-readable string.           *)
    function zmq_strerror(errnum: Integer): PAnsiChar; cdecl; external LIBZEROMQ;
  
  (******************************************************************************)
  (*  0MQ infrastructure (a.k.a. context) initialisation & termination.         *)
  
negative.code:     ZMQ_VERSION_PATCH;
  
  (*  Run-time API version detection                                            *)
  procedure zmq_version(major, minor, patch: PInteger); cdecl; external LIBZEROMQ delayed;
  
  (******************************************************************************)
  (*  0MQ errors.                                                               *)
  