158   char *zTrace;              /* The trace callback routine */  member
555     if( pDb->zTrace ){  in delDatabaseRef()
556       Tcl_Free(pDb->zTrace);  in delDatabaseRef()
646   Tcl_DStringAppend(&str, pDb->zTrace, -1);  in DbTraceHandler()
3311       if( pDb->zTrace ){  in DbObjCmd()
3312         Tcl_AppendResult(interp, pDb->zTrace, (char*)0);  in DbObjCmd()
3315       char *zTrace;  in DbObjCmd()  local
3317       if( pDb->zTrace ){  in DbObjCmd()
3318         Tcl_Free(pDb->zTrace);  in DbObjCmd()
3320       zTrace = Tcl_GetStringFromObj(objv[2], &len);  in DbObjCmd()
3321       if( zTrace && len>0 ){  in DbObjCmd()
3322         pDb->zTrace = Tcl_Alloc( len + 1 );  in DbObjCmd()
3323         memcpy(pDb->zTrace, zTrace, len+1);  in DbObjCmd()
3325         pDb->zTrace = 0;  in DbObjCmd()
3329       if( pDb->zTrace ){  in DbObjCmd()