105 lines
4.2 KiB
Groff
105 lines
4.2 KiB
Groff
.\" Copyright (c) 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the American National Standards Committee X3, on Information
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.\" Processing Systems.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)isprint.3 8.1 (Berkeley) 6/4/93
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.\" $FreeBSD$
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.\"
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.Dd July 17, 2005
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.Dt ISPRINT 3
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.Os
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.Sh NAME
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.Nm isprint
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.Nd printing character test (space character inclusive)
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In ctype.h
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.Ft int
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.Fn isprint "int c"
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.Sh DESCRIPTION
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The
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.Fn isprint
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function tests for any printing character, including space
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.Pq Ql "\ " .
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The value of the argument must be representable as an
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.Vt "unsigned char"
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or the value of
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.Dv EOF .
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.Pp
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In the ASCII character set, this includes the following characters
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(with their numeric values shown in octal):
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.Pp
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.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__
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.It "\&040\ sp \t041\ ``!'' \t042\ ``""'' \t043\ ``#'' \t044\ ``$''"
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.It "\&045\ ``%'' \t046\ ``&'' \t047\ ``''' \t050\ ``('' \t051\ ``)''"
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.It "\&052\ ``*'' \t053\ ``+'' \t054\ ``,'' \t055\ ``-'' \t056\ ``.''"
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.It "\&057\ ``/'' \t060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3''"
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.It "\&064\ ``4'' \t065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8''"
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.It "\&071\ ``9'' \t072\ ``:'' \t073\ ``;'' \t074\ ``<'' \t075\ ``=''"
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.It "\&076\ ``>'' \t077\ ``?'' \t100\ ``@'' \t101\ ``A'' \t102\ ``B''"
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.It "\&103\ ``C'' \t104\ ``D'' \t105\ ``E'' \t106\ ``F'' \t107\ ``G''"
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.It "\&110\ ``H'' \t111\ ``I'' \t112\ ``J'' \t113\ ``K'' \t114\ ``L''"
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.It "\&115\ ``M'' \t116\ ``N'' \t117\ ``O'' \t120\ ``P'' \t121\ ``Q''"
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.It "\&122\ ``R'' \t123\ ``S'' \t124\ ``T'' \t125\ ``U'' \t126\ ``V''"
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.It "\&127\ ``W'' \t130\ ``X'' \t131\ ``Y'' \t132\ ``Z'' \t133\ ``[''"
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.It "\&134\ ``\e\|'' \t135\ ``]'' \t136\ ``^'' \t137\ ``_'' \t140\ ```''"
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.It "\&141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d'' \t145\ ``e''"
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.It "\&146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i'' \t152\ ``j''"
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.It "\&153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n'' \t157\ ``o''"
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.It "\&160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s'' \t164\ ``t''"
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.It "\&165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x'' \t171\ ``y''"
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.It "\&172\ ``z'' \t173\ ``{'' \t174\ ``|'' \t175\ ``}'' \t176\ ``~''"
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.El
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.Sh RETURN VALUES
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The
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.Fn isprint
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function returns zero if the character tests false and
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returns non-zero if the character tests true.
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.Sh COMPATIBILITY
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The
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.Bx 4.4
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extension of accepting arguments outside of the range of the
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.Vt "unsigned char"
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type in locales with large character sets is considered obsolete
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and may not be supported in future releases.
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The
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.Fn iswprint
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function should be used instead.
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.Sh SEE ALSO
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.Xr ctype 3 ,
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.Xr iswprint 3 ,
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.Xr ascii 7
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.Sh STANDARDS
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The
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.Fn isprint
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function conforms to
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.St -isoC .
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