処しょ理り系けい定てい義ぎ

noun

implementation-defined

Computing term used in specifications (e.g., programming language standards) to indicate that the behavior depends on the particular compiler or runtime environment, and must be documented by the implementer.

• C言げん語ごでは、文も字じ型がたが符ふ号ごう付つきかどうかは処しょ理り系けい定てい義ぎです。

  In C, whether character types are signed is implementation-defined.

• この動どう作さは処しょ理り系けい定てい義ぎなので、移い植しょく性せいのあるコードでは依い存ぞんしないほうがよい。

  This behavior is implementation-defined, so it is better not to rely on it in portable code.