snd_pcm_lib_preallocate_free_for_all
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## 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.

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