🌐EnglishEnglishDeutschFrançaisItalianoPortuguêsРусскийفارسی中文EntityQ580748· pop 9· linked from 13 articles#include guardAlso known as macro guard, include guard, header guardconstruct in C and C++ for idempotent header inclusionAvailable in 8 languagesFrançaisDeutsch中文РусскийPortuguêsItalianoفارسیvia Wikidata sitelinks · CC0Connectionsinclude directiveEntityQ15777EntityCategoriesC (programming language) headersRestricted titles (leading number sign)