---
name: "snd_pcm_lib_preallocate_free_for_all"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/snd_pcm_lib_preallocate_free_for_all"
---

# snd\_pcm\_lib\_preallocate\_free\_for\_all(9)

release all pre-allocated buffers on the pcm

## NAME

snd\_pcm\_lib\_preallocate\_free\_for\_all - release all pre-allocated buffers on the pcm

## SYNOPSIS

**int snd\_pcm\_lib\_preallocate\_free\_for\_all(struct snd\_pcm \*** *pcm***);**

## ARGUMENTS

*pcm*

the pcm instance

## DESCRIPTION

Releases all the pre-allocated buffers on the given pcm.

## RETURN

Zero if successful, or a negative error code on failure.

## COPYRIGHT