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ISGRAPH(3)             FreeBSD Library Functions Manual             ISGRAPH(3)

NAME
     isgraph - printing character test (space character exclusive)

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     isgraph(int c);

     int
     isgraph_l(int c, locale_t loc);

DESCRIPTION
     The isgraph() function tests for any printing character except space
     (` ') and other locale-specific space-like characters.  The value of the
     argument must be representable as an unsigned char or the value of EOF.

     In the ASCII character set, this includes the following characters (with
     their numeric values shown in octal):

     041 ``!''     042 ``"''     043 ``#''     044 ``$''     045 ``%''
     046 ``&''     047 ``'''     050 ``(''     051 ``)''     052 ``*''
     053 ``+''     054 ``,''     055 ``-''     056 ``.''     057 ``/''
     060 ``0''     061 ``1''     062 ``2''     063 ``3''     064 ``4''
     065 ``5''     066 ``6''     067 ``7''     070 ``8''     071 ``9''
     072 ``:''     073 ``;''     074 ``<''     075 ``=''     076 ``>''
     077 ``?''     100 ``@''     101 ``A''     102 ``B''     103 ``C''
     104 ``D''     105 ``E''     106 ``F''     107 ``G''     110 ``H''
     111 ``I''     112 ``J''     113 ``K''     114 ``L''     115 ``M''
     116 ``N''     117 ``O''     120 ``P''     121 ``Q''     122 ``R''
     123 ``S''     124 ``T''     125 ``U''     126 ``V''     127 ``W''
     130 ``X''     131 ``Y''     132 ``Z''     133 ``[''     134 ``\''
     135 ``]''     136 ``^''     137 ``_''     140 ```''     141 ``a''
     142 ``b''     143 ``c''     144 ``d''     145 ``e''     146 ``f''
     147 ``g''     150 ``h''     151 ``i''     152 ``j''     153 ``k''
     154 ``l''     155 ``m''     156 ``n''     157 ``o''     160 ``p''
     161 ``q''     162 ``r''     163 ``s''     164 ``t''     165 ``u''
     166 ``v''     167 ``w''     170 ``x''     171 ``y''     172 ``z''
     173 ``{''     174 ``|''     175 ``}''     176 ``~''

     The isgraph_l() function takes an explicit locale argument, whereas the
     isgraph() function uses the current global or per-thread locale.

RETURN VALUES
     The isgraph() and isgraph_l() functions return zero if the character
     tests false and return non-zero if the character tests true.

COMPATIBILITY
     The 4.4BSD extension of accepting arguments outside of the range of the
     unsigned char type in locales with large character sets is considered
     obsolete and may not be supported in future releases.  The iswgraph()
     function should be used instead.

SEE ALSO
     ctype(3), iswgraph(3), ascii(7)

STANDARDS
     The isgraph() function conforms to ISO/IEC 9899:1990 (``ISO C90'').  The
     isgraph_l() function conforms to IEEE Std 1003.1-2008 (``POSIX.1'').

FreeBSD 11.1-RELEASE-p4          July 30, 2012         FreeBSD 11.1-RELEASE-p4
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