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. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 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. 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 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)isgraph.3 8.2 (Berkeley) 12/11/93 33.\" $FreeBSD: head/lib/libc/locale/isgraph.3 238919 2012-07-30 20:56:19Z issyl0 $ 34.\" 35.Dd December 25, 2013 36.Dt ISGRAPH 3 37.Os 38.Sh NAME 39.Nm isgraph , 40.Nm isgraph_l 41.Nd printing character test (space character exclusive) 42.Sh LIBRARY 43.Lb libc 44.Sh SYNOPSIS 45.In ctype.h 46.Ft int 47.Fn isgraph "int c" 48.Ft int 49.Fn isgraph_l "int c" "locale_t locale" 50.Sh DESCRIPTION 51The 52.Fn isgraph 53and 54.Fn isgraph_l 55functions test for any printing character except space 56.Pq Ql "\~" 57and other 58locale-specific space-like characters. 59The value of the argument must be representable as an 60.Vt "unsigned char" 61or the value of 62.Dv EOF . 63.Pp 64In the ASCII character set, this includes the following characters 65(with their numeric values shown in octal): 66.Bl -column \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ \&000_``0''__ 67.It "\&041\ ``!''" Ta "042\ ``""''" Ta "043\ ``#''" Ta "044\ ``$''" Ta "045\ ``%''" 68.It "\&046\ ``&''" Ta "047\ ``'''" Ta "050\ ``(''" Ta "051\ ``)''" Ta "052\ ``*''" 69.It "\&053\ ``+''" Ta "054\ ``,''" Ta "055\ ``-''" Ta "056\ ``.''" Ta "057\ ``/''" 70.It "\&060\ ``0''" Ta "061\ ``1''" Ta "062\ ``2''" Ta "063\ ``3''" Ta "064\ ``4''" 71.It "\&065\ ``5''" Ta "066\ ``6''" Ta "067\ ``7''" Ta "070\ ``8''" Ta "071\ ``9''" 72.It "\&072\ ``:''" Ta "073\ ``;''" Ta "074\ ``<''" Ta "075\ ``=''" Ta "076\ ``>''" 73.It "\&077\ ``?''" Ta "100\ ``@''" Ta "101\ ``A''" Ta "102\ ``B''" Ta "103\ ``C''" 74.It "\&104\ ``D''" Ta "105\ ``E''" Ta "106\ ``F''" Ta "107\ ``G''" Ta "110\ ``H''" 75.It "\&111\ ``I''" Ta "112\ ``J''" Ta "113\ ``K''" Ta "114\ ``L''" Ta "115\ ``M''" 76.It "\&116\ ``N''" Ta "117\ ``O''" Ta "120\ ``P''" Ta "121\ ``Q''" Ta "122\ ``R''" 77.It "\&123\ ``S''" Ta "124\ ``T''" Ta "125\ ``U''" Ta "126\ ``V''" Ta "127\ ``W''" 78.It "\&130\ ``X''" Ta "131\ ``Y''" Ta "132\ ``Z''" Ta "133\ ``[''" Ta "134\ ``\e\|''" 79.It "\&135\ ``]''" Ta "136\ ``^''" Ta "137\ ``_''" Ta "140\ ```''" Ta "141\ ``a''" 80.It "\&142\ ``b''" Ta "143\ ``c''" Ta "144\ ``d''" Ta "145\ ``e''" Ta "146\ ``f''" 81.It "\&147\ ``g''" Ta "150\ ``h''" Ta "151\ ``i''" Ta "152\ ``j''" Ta "153\ ``k''" 82.It "\&154\ ``l''" Ta "155\ ``m''" Ta "156\ ``n''" Ta "157\ ``o''" Ta "160\ ``p''" 83.It "\&161\ ``q''" Ta "162\ ``r''" Ta "163\ ``s''" Ta "164\ ``t''" Ta "165\ ``u''" 84.It "\&166\ ``v''" Ta "167\ ``w''" Ta "170\ ``x''" Ta "171\ ``y''" Ta "172\ ``z''" 85.It "\&173\ ``{''" Ta "174\ ``|''" Ta "175\ ``}''" Ta "176\ ``~''" Ta \& 86.El 87.Pp 88The 89.Fn isgraph_l 90function takes an explicit 91.Fa locale 92argument, whereas the 93.Fn isgraph 94function uses the current global or per-thread locale. 95.Sh RETURN VALUES 96The 97.Fn isgraph 98and 99.Fn isgraph_l 100functions return zero if the character tests false and 101return non-zero if the character tests true. 102.Sh COMPATIBILITY 103The 104.Bx 4.4 105extension of accepting arguments outside of the range of the 106.Vt "unsigned char" 107type in locales with large character sets is considered obsolete 108and may not be supported in future releases. 109The 110.Fn iswgraph 111and 112.Fn iswgraph_l 113functions should be used instead. 114.Sh SEE ALSO 115.Xr ctype 3 , 116.Xr ctype_l 3 , 117.Xr iswgraph 3 , 118.Xr iswgraph_l 3 , 119.Xr xlocale 3 , 120.Xr ascii 7 121.Sh STANDARDS 122The 123.Fn isgraph 124function conforms to 125.St -isoC . 126The 127.Fn isgraph_l 128function conforms to 129.St -p1003.1-2008 . 130