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ISGRAPH(3)               BSD 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);

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 (preceded by their numeric values,
     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 ``~''

RETURN VALUES
     The isgraph() function returns zero if the character tests false and returns 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), isalnum_l(3), iswgraph(3), ascii(7)

STANDARDS
     The isgraph() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

BSD                              July 17, 2005                             BSD