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# FcLangSetContains

## Name

FcLangSetContains -- check langset subset relation

## Synopsis

    #include <fontconfig.h>

``FcBool `FcLangSetContains``(const FcLangSet *`ls_a`, const FcLangSet *`ls_b`);`

## Description

`FcLangSetContains` returns FcTrue if `ls_a` contains every language in `ls_b`. `ls_a` will 'contain' a language from `ls_b` if `ls_a` has exactly the language, or either the language or `ls_a` has no territory.

## Version

Fontconfig version 2.7.3

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