Req_Head rh;                 // request header
void (_far *strategy)();     // strategy entry
void (_far *intrpt)();       // interrupt entry
unsigned char unit;     // sub-unit ID


rh.rh_lth = sizeof rh;  // only header in packet
rh.rh_cc = 133;         // call code for stop
rh.rh_sub_unit = unit;
call_driver(&rh, strategy, intrpt);  // request stop
if (rh.rh_stat & 0x8000)
      { /* error on stop */ }
else
      { /* stopped OK */ }
/* End of File */ 

