---
name: "XExtentsOfFontSet"
section: "3"
platform: "linux"
package: "libx11"
version: "1.8.14-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/XExtentsOfFontSet"
---

# XExtentsOfFontSet(3)

obtain the maximum extents structure for a font set

## NAME

XExtentsOfFontSet - obtain the maximum extents structure for a font set

## SYNTAX

XFontSetExtents \*XExtentsOfFontSet(XFontSet *font\_set*);

## ARGUMENTS

- *font\_set*

  Specifies the font set.

## DESCRIPTION

The **XExtentsOfFontSet** function returns an **XFontSetExtents** structure for the fonts used by the Xmb and Xwc layers for the given font set.

The **XFontSetExtents** structure is owned by Xlib and should not be modified or freed by the client. It will be freed by a call to **XFreeFontSet** with the associated **XFontSet**. Until freed, its contents will not be modified by Xlib.

## SEE ALSO

[**XCreateFontSet**(3)](/XCreateFontSet/3.md), [**XFontsOfFontSet**(3)](/XFontsOfFontSet/3.md), [**XFontSetExtents**(3)](/XFontSetExtents/3.md)\
 *Xlib - C Language X Interface*