GitLab

Detail:
  copyerror - the highest error is now ENEEDAUTH (81) but socklib was clamping everything above EREMOTE (71).
  mkveneers/InetSWIs - use centrally held Hdr for OS SWI definitions.
  socklib.h/LibraryDoc - remove internal function _makecall() which is no longer used.
Admin:
  Submission for TCP/IP bounty.

Version 5.65. Tagged as 'TCPIPLibs-5_65'