---
name: "DPMSCapable"
section: "3"
platform: "linux"
package: "libxext"
version: "1.3.7-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/DPMSCapable"
---

# DPMSCapable(3)

returns the DPMS capability of the X server

## NAME

DPMSCapable - returns the DPMS capability of the X server

## SYNOPSIS

```
cc [ flag ... ] file ... -lXext [ library ... ]
#include <X11/extensions/dpms.h>

Bool DPMSCapable ( Display *display );
```

## ARGUMENTS

- *display*

  Specifies the connection to the X server

## DESCRIPTION

The **DPMSCapable** function returns the Display Power Management Signaling (DPMS) capability of the X server, either TRUE (capable of DPMS) or FALSE (incapable of DPMS).

## RETURN VALUES

- **True**

  The **DPMSCapable** function returns True if the X server is capable of DPMS.

- **False**

  The **DPMSCapable** function returns True if the X server is incapable of DPMS.