xref: /netbsd-src/lib/libc/gen/ispunct.3 (revision a754895afcbd8a2d66d4b682eb169d3fc23f8996)
1*a754895aSapb.\"	$NetBSD: ispunct.3,v 1.13 2008/04/17 16:25:36 apb Exp $
2f9f97c4fScgd.\"
361f28255Scgd.\" Copyright (c) 1991 The Regents of the University of California.
461f28255Scgd.\" All rights reserved.
561f28255Scgd.\"
661f28255Scgd.\" This code is derived from software contributed to Berkeley by
761f28255Scgd.\" the American National Standards Committee X3, on Information
861f28255Scgd.\" Processing Systems.
961f28255Scgd.\"
1061f28255Scgd.\" Redistribution and use in source and binary forms, with or without
1161f28255Scgd.\" modification, are permitted provided that the following conditions
1261f28255Scgd.\" are met:
1361f28255Scgd.\" 1. Redistributions of source code must retain the above copyright
1461f28255Scgd.\"    notice, this list of conditions and the following disclaimer.
1561f28255Scgd.\" 2. Redistributions in binary form must reproduce the above copyright
1661f28255Scgd.\"    notice, this list of conditions and the following disclaimer in the
1761f28255Scgd.\"    documentation and/or other materials provided with the distribution.
18eb7c1594Sagc.\" 3. Neither the name of the University nor the names of its contributors
1961f28255Scgd.\"    may be used to endorse or promote products derived from this software
2061f28255Scgd.\"    without specific prior written permission.
2161f28255Scgd.\"
2261f28255Scgd.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2361f28255Scgd.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2461f28255Scgd.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2561f28255Scgd.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2661f28255Scgd.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2761f28255Scgd.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2861f28255Scgd.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2961f28255Scgd.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3061f28255Scgd.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3161f28255Scgd.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3261f28255Scgd.\" SUCH DAMAGE.
3361f28255Scgd.\"
34f9f97c4fScgd.\"	@(#)ispunct.3	5.2 (Berkeley) 6/29/91
3561f28255Scgd.\"
36*a754895aSapb.Dd April 17, 2008
3761f28255Scgd.Dt ISPUNCT 3
3861f28255Scgd.Os
3961f28255Scgd.Sh NAME
4061f28255Scgd.Nm ispunct
4161f28255Scgd.Nd punctuation character test
42312aca53Sperry.Sh LIBRARY
43312aca53Sperry.Lb libc
4461f28255Scgd.Sh SYNOPSIS
45472351e1Swiz.In ctype.h
4661f28255Scgd.Ft int
4761f28255Scgd.Fn ispunct "int c"
4861f28255Scgd.Sh DESCRIPTION
4961f28255ScgdThe
5061f28255Scgd.Fn ispunct
5161f28255Scgdfunction tests for any printing character except space (' ') or a
5261f28255Scgdcharacter for which
5361f28255Scgd.Xr isalnum 3
5461f28255Scgdis true.
5561f28255Scgd.Sh RETURN VALUES
5661f28255ScgdThe
5761f28255Scgd.Fn ispunct
5830991c10Srilligfunction returns zero if the character tests false and
5961f28255Scgdreturns non-zero if the character tests true.
6061f28255Scgd.Sh SEE ALSO
614d81a781Srillig.Xr ctype 3 ,
6261f28255Scgd.Xr isalnum 3 ,
6361f28255Scgd.Xr isalpha 3 ,
64a6c78ff1Sjtc.Xr isascii 3 ,
65a6c78ff1Sjtc.Xr isblank 3 ,
6661f28255Scgd.Xr iscntrl 3 ,
6761f28255Scgd.Xr isdigit 3 ,
6861f28255Scgd.Xr isgraph 3 ,
6961f28255Scgd.Xr islower 3 ,
7061f28255Scgd.Xr isprint 3 ,
7161f28255Scgd.Xr isspace 3 ,
7261f28255Scgd.Xr isupper 3 ,
7361f28255Scgd.Xr isxdigit 3 ,
7409a03cd8Swiz.Xr stdio 3 ,
7561f28255Scgd.Xr toascii 3 ,
7661f28255Scgd.Xr tolower 3 ,
7761f28255Scgd.Xr toupper 3 ,
7861f28255Scgd.Xr ascii 7
7961f28255Scgd.Sh STANDARDS
8061f28255ScgdThe
8161f28255Scgd.Fn ispunct
8261f28255Scgdfunction conforms to
8361f28255Scgd.St -ansiC .
84673cbedcSyamt.Sh CAVEATS
85673cbedcSyamtThe argument to
86673cbedcSyamt.Fn ispunct
87673cbedcSyamtmust be
88673cbedcSyamt.Dv EOF
89673cbedcSyamtor representable as an
90*a754895aSapb.Vt unsigned char ;
9130991c10Srilligotherwise, the behavior is undefined.
92*a754895aSapbSee the
93*a754895aSapb.Sx CAVEATS
94*a754895aSapbsection of
95*a754895aSapb.Xr ctype 3
96*a754895aSapbfor more details.
97