extern /*@observer@*/ /*@null@*/ const dcroid_t* dcrp_oidget
(
 /*@in@*/ const char* h,
 /*@in@*/const char* t
  ) /*@ensures maxRead(result) >= 0@*/;

extern /*@observer@*/const char* dcrp_oidlabel
(
 /*@in@*/const dcroid_t* oid
 );