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1.\" Copyright (c) 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
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9.\" modification, are permitted provided that the following conditions
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12.\" notice, this list of conditions and the following disclaimer.
13.\" 2. Redistributions in binary form must reproduce the above copyright
14.\" notice, this list of conditions and the following disclaimer in the
15.\" documentation and/or other materials provided with the distribution.
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16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
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31.\"
32.\" @(#)isprint.3 8.1 (Berkeley) 6/4/93
1f2f436a 33.\" $FreeBSD: src/lib/libc/locale/isprint.3,v 1.26 2009/11/13 09:07:33 roam Exp $
5b2abdfb 34.\"
1f2f436a 35.Dd July 17, 2005
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36.Dt ISPRINT 3
37.Os
38.Sh NAME
39.Nm isprint
40.Nd printing character test (space character inclusive)
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.In ctype.h
45.Ft int
46.Fn isprint "int c"
47.Sh DESCRIPTION
48The
49.Fn isprint
1f2f436a 50function tests for any printing character, including space
9385eb3d 51.Pq Ql "\ " .
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52The value of the argument must be representable as an
53.Vt "unsigned char"
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54or the value of
55.Dv EOF .
1f2f436a 56.Pp
5b2abdfb 57In the ASCII character set, this includes the following characters
ad3c9f2a 58(preceded by their numeric values, in octal):
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59.Pp
60.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__
61.It "\&040\ sp \t041\ ``!'' \t042\ ``""'' \t043\ ``#'' \t044\ ``$''"
62.It "\&045\ ``%'' \t046\ ``&'' \t047\ ``''' \t050\ ``('' \t051\ ``)''"
63.It "\&052\ ``*'' \t053\ ``+'' \t054\ ``,'' \t055\ ``-'' \t056\ ``.''"
64.It "\&057\ ``/'' \t060\ ``0'' \t061\ ``1'' \t062\ ``2'' \t063\ ``3''"
65.It "\&064\ ``4'' \t065\ ``5'' \t066\ ``6'' \t067\ ``7'' \t070\ ``8''"
66.It "\&071\ ``9'' \t072\ ``:'' \t073\ ``;'' \t074\ ``<'' \t075\ ``=''"
67.It "\&076\ ``>'' \t077\ ``?'' \t100\ ``@'' \t101\ ``A'' \t102\ ``B''"
68.It "\&103\ ``C'' \t104\ ``D'' \t105\ ``E'' \t106\ ``F'' \t107\ ``G''"
69.It "\&110\ ``H'' \t111\ ``I'' \t112\ ``J'' \t113\ ``K'' \t114\ ``L''"
70.It "\&115\ ``M'' \t116\ ``N'' \t117\ ``O'' \t120\ ``P'' \t121\ ``Q''"
71.It "\&122\ ``R'' \t123\ ``S'' \t124\ ``T'' \t125\ ``U'' \t126\ ``V''"
72.It "\&127\ ``W'' \t130\ ``X'' \t131\ ``Y'' \t132\ ``Z'' \t133\ ``[''"
73.It "\&134\ ``\e\|'' \t135\ ``]'' \t136\ ``^'' \t137\ ``_'' \t140\ ```''"
74.It "\&141\ ``a'' \t142\ ``b'' \t143\ ``c'' \t144\ ``d'' \t145\ ``e''"
75.It "\&146\ ``f'' \t147\ ``g'' \t150\ ``h'' \t151\ ``i'' \t152\ ``j''"
76.It "\&153\ ``k'' \t154\ ``l'' \t155\ ``m'' \t156\ ``n'' \t157\ ``o''"
77.It "\&160\ ``p'' \t161\ ``q'' \t162\ ``r'' \t163\ ``s'' \t164\ ``t''"
78.It "\&165\ ``u'' \t166\ ``v'' \t167\ ``w'' \t170\ ``x'' \t171\ ``y''"
79.It "\&172\ ``z'' \t173\ ``{'' \t174\ ``|'' \t175\ ``}'' \t176\ ``~''"
80.El
81.Sh RETURN VALUES
82The
83.Fn isprint
84function returns zero if the character tests false and
85returns non-zero if the character tests true.
9385eb3d 86.Sh COMPATIBILITY
3d9156a7 87The
9385eb3d 88.Bx 4.4
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89extension of accepting arguments outside of the range of the
90.Vt "unsigned char"
91type in locales with large character sets is considered obsolete
92and may not be supported in future releases.
93The
9385eb3d 94.Fn iswprint
3d9156a7 95function should be used instead.
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96.Sh SEE ALSO
97.Xr ctype 3 ,
ad3c9f2a 98.Xr isalnum_l 3 ,
9385eb3d 99.Xr iswprint 3 ,
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100.Xr ascii 7
101.Sh STANDARDS
102The
103.Fn isprint
104function conforms to
105.St -isoC .