---
name: "snd_pcm_format_signed"
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_format_signed"
---

# snd\_pcm\_format\_signed(9)

Check the PCM format is signed linear

## 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.

## COPYRIGHT