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

# XkbFindOverlayForKey(3)

Find the alternate name by using the primary name for a key that is part of an overlay

## NAME

XkbFindOverlayForKey - Find the alternate name by using the primary name for a key that is part of an overlay

## SYNOPSIS

**char \* XkbFindOverlayForKey** **(XkbGeometryPtr** *geom***,** **XkbSectionPtr** *section***,** **\_Xconst char \****under***);**

## ARGUMENTS

- *geom*

  geometry that contains the section

- *section*

  section to be searched for matching keys

- *under*

  primary name of the key to be considered

## DESCRIPTION

Keys that can generate multiple keycodes may be associated with multiple names. Such keys have a primary name and an alternate name.

*XkbFindOverlayForKey* uses the primary name of the key, *under,* to look up the alternate name, which it returns.