88 lines
3.5 KiB
Groff
88 lines
3.5 KiB
Groff
.\" Copyright (c) 1991, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" This code is derived from software contributed to Berkeley by
|
|
.\" the American National Standards Committee X3, on Information
|
|
.\" Processing Systems.
|
|
.\"
|
|
.\" 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.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
.\"
|
|
.\" @(#)isalnum.3 8.1 (Berkeley) 6/4/93
|
|
.\"
|
|
.Dd June 4, 1993
|
|
.Dt ISALNUM 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm isalnum
|
|
.Nd alphanumeric character test
|
|
.Sh SYNOPSIS
|
|
.Fd #include <ctype.h>
|
|
.Ft int
|
|
.Fn isalnum "int c"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn isalnum
|
|
function tests for any character for which
|
|
.Xr isalpha 3
|
|
or
|
|
.Xr isdigit 3
|
|
is true.
|
|
In the ASCII character set, this includes the following characters:
|
|
.Pp
|
|
.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__
|
|
.It \&060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3'' \t064\ ``4''
|
|
.It \&065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8'' \t071\ ``9''
|
|
.It \&101\ ``A'' \t102\ ``B'' \t103\ ``C'' \t104\ ``D'' \t105\ ``E''
|
|
.It \&106\ ``F'' \t107\ ``G'' \t110\ ``H'' \t111\ ``I'' \t112\ ``J''
|
|
.It \&113\ ``K'' \t114\ ``L'' \t115\ ``M'' \t116\ ``N'' \t117\ ``O''
|
|
.It \&120\ ``P'' \t121\ ``Q'' \t122\ ``R'' \t123\ ``S'' \t124\ ``T''
|
|
.It \&125\ ``U'' \t126\ ``V'' \t127\ ``W'' \t130\ ``X'' \t131\ ``Y''
|
|
.It \&132\ ``Z'' \t141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d''
|
|
.It \&145\ ``e'' \t146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i''
|
|
.It \&152\ ``j'' \t153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n''
|
|
.It \&157\ ``o'' \t160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s''
|
|
.It \&164\ ``t'' \t165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x''
|
|
.It \&171\ ``y'' \t172\ ``z''
|
|
.El
|
|
.Sh RETURN VALUES
|
|
The
|
|
.Fn isalnum
|
|
function returns zero if the character tests false and
|
|
returns non-zero if the character tests true.
|
|
.Sh SEE ALSO
|
|
.Xr ctype 3 ,
|
|
.Xr isalpha 3 ,
|
|
.Xr isdigit 3 ,
|
|
.Xr ascii 7
|
|
.Sh STANDARDS
|
|
The
|
|
.Fn isalnum
|
|
function conforms to
|
|
.St -ansiC .
|