---
name: "FcLangSetSubtract"
section: "3"
platform: "linux"
package: "fontconfig"
version: "2:2.18.3-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/FcLangSetSubtract"
---

# FcLangSetSubtract(3)

Subtract langsets

## NAME

FcLangSetSubtract - Subtract langsets

## SYNOPSIS

**#include \<fontconfig/fontconfig.h\>**

**FcLangSet \* FcLangSetSubtract (const FcLangSet \****ls\_a***, const FcLangSet \****ls\_b***);**

## DESCRIPTION

Returns a set including only those languages found in *ls\_a* but not in *ls\_b*.

## SINCE

version 2.9.0