48 lines
1002 B
Groff
48 lines
1002 B
Groff
.\" $OpenBSD: getc_unlocked.3,v 1.6 2015/09/14 13:45:25 schwarze Exp $
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.\" David Leonard <d@openbsd.org>, 1999. Public domain.
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.Dd $Mdocdate: September 14 2015 $
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.Dt GETC_UNLOCKED 3
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.Os
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.Sh NAME
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.Nm getc_unlocked ,
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.Nm getchar_unlocked
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.Nd get next character from stream, efficiently
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.Sh SYNOPSIS
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.In stdio.h
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.Ft int
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.Fn getc_unlocked "FILE *stream"
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.Ft int
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.Fn getchar_unlocked void
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.Sh DESCRIPTION
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The
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.Fn getc_unlocked
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and
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.Fn getchar_unlocked
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functions are equivalent to their locked counterparts,
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.Xr getc 3
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and
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.Xr getchar 3 .
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However,
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.Fn getc_unlocked
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and
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.Fn getchar_unlocked
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assume that the relevant stream has either been previously locked
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with
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.Xr flockfile 3 ,
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or that it will not be accessed by any other thread.
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.Sh RETURN VALUES
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The return values are as described for
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.Xr getc 3
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and
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.Xr getchar 3 .
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.Sh SEE ALSO
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.Xr getc 3 ,
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.Xr getchar 3
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.Sh STANDARDS
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.Fn getc_unlocked
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and
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.Fn getchar_unlocked
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conform to ISO/IEC 9945-1 ANSI/IEEE
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.Pq Dq Tn POSIX
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Std 1003.1 Second Edition 1996-07-12.
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