include guard

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|programming}} In {{w|C (programming language)|C}} and {{w|C++}}, a [[preprocessor]] [[directive]] used in [[header file]]s to prevent them from being [[include]]d multiple times.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.