163   char *zTrace;              /* The trace callback routine */  member
560     if( pDb->zTrace ){  in delDatabaseRef()
561       Tcl_Free(pDb->zTrace);  in delDatabaseRef()
651   Tcl_DStringAppend(&str, pDb->zTrace, -1);  in DbTraceHandler()
3304       if( pDb->zTrace ){  in DbObjCmd()
3305         Tcl_AppendResult(interp, pDb->zTrace, (char*)0);  in DbObjCmd()
3308       char *zTrace;  in DbObjCmd()  local
3310       if( pDb->zTrace ){  in DbObjCmd()
3311         Tcl_Free(pDb->zTrace);  in DbObjCmd()
3313       zTrace = Tcl_GetStringFromObj(objv[2], &len);  in DbObjCmd()
3314       if( zTrace && len>0 ){  in DbObjCmd()
3315         pDb->zTrace = Tcl_Alloc( len + 1 );  in DbObjCmd()
3316         memcpy(pDb->zTrace, zTrace, len+1);  in DbObjCmd()
3318         pDb->zTrace = 0;  in DbObjCmd()
3322       if( pDb->zTrace ){  in DbObjCmd()