NetBSD/lib/libossaudio/ossaudio.3

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.\" $NetBSD: ossaudio.3,v 1.10 1999/07/02 15:38:45 simonb Exp $
.\"
.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Lennart Augustsson,
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
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.\" 3. All advertising materials mentioning features or use of this software
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.\" This product includes software developed by the NetBSD
.\" Foundation, Inc. and its contributors.
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
.\" contributors may be used to endorse or promote products derived
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.Dd October 16, 1997
.Dt OSSAUDIO 3
.Os
.Sh NAME
.Nm ossaudio
.Nd OSS audio emulation
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.Sh LIBRARY
.Lb libossaudio
.Sh SYNOPSIS
.Fd #include <soundcard.h>
.Sh DESCRIPTION
The
.Nm
library provides an emulation of the OSS (Linux) audio
interface.
.Pp
Use the native interface for new programs and the emulation
library only for porting programs.
.Sh SEE ALSO
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.Xr audio 4 ,
.Xr midi 4 .
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.Sh BUGS
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The emulation uses an #define for
.Va ioctl()
so some obscure programs
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can fail to compile.
.Pp
The emulation is incomplete.
.Pp
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The emulation only covers
.Va ioctl() ,
there are other differences as well. E.g., on a write
that would block in non-blocking mode Linux returns
.Dv EINTR
whereas
.Nx 1.3
returns
.Dv EWOULDBLOCK .
.Sh HISTORY
The
.Nm
library first appeared in
.Nx 1.3 .