snd_pcm_format_signed
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## Name

snd_pcm_format_signed — Check the PCM format is signed linear

## Synopsis

`int snd_pcm_format_signed (` | snd_pcm_format_t format`)`;

## Arguments

`format`

  the format to check

## Return

1 if the given PCM format is signed linear, 0 if unsigned linear, and a negative error code for non-linear formats.

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