char *  _stdcall  get_version(int display_message_box);
short  _stdcall  init_prodtest(int transport, char * transportDevice,  long  dataRate, short DMcommands);
short  _stdcall  close_prodtest( long handle);
short  _stdcall  do_slave(long handle);

/* In VEE there is no BOOL (or boolean) and no unsigned short/long ,
    long integer  == long  (like C++)  ==  int32  . 
    It will work as well if you replace 'short' by  'int' .
    As far as I can say without knowing the DLL this should work.
*/