OpenBSD manual page server

Manual Page Search Parameters

OSSAUDIO(3) Library Functions Manual OSSAUDIO(3)

ossaudioOSS audio emulation

library “libossaudio”
#include <soundcard.h>

The ossaudio library provides an emulation of the OSS (Linux) audio interface.

Use the native sioctl_open(3) interface for new programs and the emulation library only for porting programs.

sioctl_open(3), audio(4)

The ossaudio library first appeared in NetBSD 1.3.

The emulation uses a #define for ioctl() so some obscure programs can fail to compile.

The emulation is incomplete.

The emulation only covers ioctl(), there are other differences as well. E.g., on a write that would block in non-blocking mode Linux returns EINTR whereas OpenBSD returns EAGAIN.

June 6, 2025 OpenBSD-current