64 lines
1.9 KiB
Groff
64 lines
1.9 KiB
Groff
.\"
|
|
.\" Copyright (c) 2004 Tim J. Robbins
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" 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
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd March 30, 2004
|
|
.Dt ISRUNE 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm isrune
|
|
.Nd valid character test
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.In ctype.h
|
|
.Ft int
|
|
.Fn isrune "int c"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn isrune
|
|
function tests for any character that is valid in the current
|
|
character set.
|
|
In the
|
|
.Tn ASCII
|
|
character set, this is equivalent to
|
|
.Fn isascii .
|
|
.Sh RETURN VALUES
|
|
The
|
|
.Fn isrune
|
|
function returns zero if the character tests false and
|
|
returns non-zero if the character tests true.
|
|
.Sh SEE ALSO
|
|
.Xr ctype 3 ,
|
|
.Xr isascii 3 ,
|
|
.Xr iswrune 3 ,
|
|
.Xr ascii 7
|
|
.Sh HISTORY
|
|
The
|
|
.Fn isrune
|
|
function appeared in
|
|
.Bx 4.4 .
|