182   char *zTrace;              /* The trace callback routine */  member
579     if( pDb->zTrace ){  in delDatabaseRef()
580       Tcl_Free(pDb->zTrace);  in delDatabaseRef()
670   Tcl_DStringAppend(&str, pDb->zTrace, -1);  in DbTraceHandler()
3338       if( pDb->zTrace ){  in DbObjCmd()
3339         Tcl_AppendResult(interp, pDb->zTrace, (char*)0);  in DbObjCmd()
3342       char *zTrace;  in DbObjCmd()  local
3344       if( pDb->zTrace ){  in DbObjCmd()
3345         Tcl_Free(pDb->zTrace);  in DbObjCmd()
3347       zTrace = Tcl_GetStringFromObj(objv[2], &len);  in DbObjCmd()
3348       if( zTrace && len>0 ){  in DbObjCmd()
3349         pDb->zTrace = Tcl_Alloc( len + 1 );  in DbObjCmd()
3350         memcpy(pDb->zTrace, zTrace, len+1);  in DbObjCmd()
3352         pDb->zTrace = 0;  in DbObjCmd()
3356       if( pDb->zTrace ){  in DbObjCmd()