SYNOPSIS

     #include <ctype.h>

     int
     ispunct(int c);

DESCRIPTION

     The ispunct() function tests for any printing character except for space
     (` ') or a character for which isalnum(3) is true.  For single C chars
     locales (see multibyte(3)) the value of the argument is 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 ``/''
     072 ``:''     073 ``;''     074 ``<''     075 ``=''     076 ``>''
     077 ``?''     100 ``@''     133 ``[''     134 ``\''     135 ``]''
     136 ``^''     137 ``_''     140 ```''     173 ``{''     174 ``|''
     175 ``}''     176 ``~''

RETURN VALUES

     The ispunct() 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 iswpunct()
     function should be used instead.

SEE ALSO

     ctype(3), iswpunct(3), multibyte(3), ascii(7), isalnum_l

STANDARDS

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

BSD                             August 21, 2004                            BSD