🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийفارسیहिन्दी한국어中文日本語EntityQ877809· pop 22header fileAlso known as header, copybookfile containing source code with declarations to be textually substituted by usersAvailable in 22 languagesEspañolDeutsch中文日本語РусскийPortuguêsItalianoहिन्दीBanglaBulgarianConnectionsinclude directiveEntity