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

# XkbKeysymToModifiers(3)

Finds the set of modifiers bound to a particular keysym on the core keyboard

## NAME

XkbKeysymToModifiers - Finds the set of modifiers bound to a particular keysym on the core keyboard

## SYNOPSIS

**unsigned int XkbKeysymToModifiers** **(Display \****dpy***,** **KeySym** *ks***);**

## ARGUMENTS

- *dpy*

  connection to X server

- *ks*

  keysym of interest

## DESCRIPTION

*XkbKeysymToModifiers* finds the set of modifiers currently bound to the keysym *ks* on the core keyboard. The value returned is the mask of modifiers bound to the keysym *ks.* If no modifiers are bound to the keysym, *XkbKeysymToModifiers* returns zero; otherwise, it returns the inclusive OR of zero or more of the following: ShiftMask, ControlMask, LockMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, and Mod5Mask.