---
name: "FcCharSetSubtractCount"
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/FcCharSetSubtractCount"
---

# FcCharSetSubtractCount(3)

Subtract and count charsets

## NAME

FcCharSetSubtractCount - Subtract and count charsets

## SYNOPSIS

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

**FcChar32 FcCharSetSubtractCount (const FcCharSet \****a***, const FcCharSet \****b***);**

## DESCRIPTION

Returns the number of chars that are in *a* but not in *b*.