---
name: "muroar_noop"
section: "3"
platform: "linux"
package: "libmuroar-dev"
version: "0.1.13-7"
release: "Debian 11 (Bullseye)"
platforms: ["linux"]
url: "https://new.carta.tech/muroar_noop"
---

# muroar\_noop(3)

Send no-operation command to RoarAudio sound daemon

## NAME

muroar\_noop - Send no-operation command to RoarAudio sound daemon

## SYNOPSIS

\#include \<muroar.h\>

int muroar\_noop   (muroar\_t fh);

## DESCRIPTION

This function sends a no-operation command to the sound daemon **fh** is connected to. **fh** need to be connected using [**muroar\_connect**(3)](/muroar_connect/3.md) to a sound server supporting the RoarAudio protocol and the NOOP command.

This function can be used to "ping" the server. It may for example be used as keep-alive for long running connections where no data is transferred.

## RETURN VALUE

On success this call return 0. On error, -1 is returned.

## HISTORY

This function first appeared in muRoar version 0.1.2.

## SEE ALSO

[**muroar\_connect**(3)](/muroar_connect/3.md), [**muroar\_quit**(3)](/muroar_quit/3.md), [**RoarAudio**(7)](/RoarAudio/7.md).