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NetBSD 6.1.5 - man page for ispunct (netbsd section 3)

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ISPUNCT(3)			   BSD Library Functions Manual 		       ISPUNCT(3)

NAME
     ispunct -- punctuation character test

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     ispunct(int c);

DESCRIPTION
     The ispunct() function tests for any printing character except space (' ') or a character
     for which isalnum(3) is true.

RETURN VALUES
     The ispunct() function returns zero if the character tests false and returns non-zero if the
     character tests true.

SEE ALSO
     ctype(3), isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3),
     isgraph(3), islower(3), isprint(3), isspace(3), isupper(3), isxdigit(3), stdio(3),
     toascii(3), tolower(3), toupper(3), ascii(7)

STANDARDS
     The ispunct() function conforms to ANSI X3.159-1989 (``ANSI C89'').

CAVEATS
     The argument to ispunct() must be EOF or representable as an unsigned char; otherwise, the
     behavior is undefined.  See the CAVEATS section of ctype(3) for more details.

BSD					  April 17, 2008				      BSD
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