整數 trace( 整數 traceflags );
以下是追蹤資訊 (trace bits):
Trace all calls to "call_other".
(追蹤所有對 call_other 的呼叫)
Trace all function returns.
(追蹤所有函式的回傳值)
Print arguments at function calls and return
values.
(印出呼叫函式的參數, 及函式的回傳值)
Print all executed stack machine instructions
(produces a lot of output!)
(印出所有執行的堆疊機器碼 (這樣子輸出的資料可真多!)
)
Enable trace in heart beat functions.
(開始追蹤心跳函式)
Trace calls to apply.
(追蹤申請的呼叫)
Show object name in tracing.
(顯示追蹤時的物件名稱)