---
name: "FcCharSetSubtract"
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/FcCharSetSubtract"
---

# FcCharSetSubtract(3)

Subtract charsets

## NAME

FcCharSetSubtract - Subtract charsets

## SYNOPSIS

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

**FcCharSet \* FcCharSetSubtract (const FcCharSet \****a***, const FcCharSet \****b***);**

## DESCRIPTION

Returns a set including only those chars found in *a* but not *b*.