anchor.diff:  
   *TPEPROTO* Global transaction is already started.
   
  -*TPESYSTEM* System failure occurred during serving. See logs i.e. user log, or debugs for more info. Could be the case if XA sub-system is not open by *tpopen()*.
  +*TPESYSTEM* System failure occurred during serving. See logs i.e. user log, or 
  +debugs for more info. Could be the case if XA sub-system is not open by *tpopen()*.
   
   *TPEOS* System failure occurred during serving. See logs i.e. user log, or debugs for more info.
   
  
positive.code: If global transaction was running in main thread for which *tpsrvgetctxdata()* 
  was called, then *tpsrvsetctxdata()* will resume the global transaction in current thread.
  
  This function is available only for XATMI servers.
  
  *Valid flags*
  
negative.code: 
  SEE ALSO
  --------
  *tpsrvgetctxdata(3)* *tpcontinue(3)* *tpinit(3)* *tpreturn(3)* *tpforward(3)*
  *tpfree(3)*
  
  COPYING
  -------
  