@c ----------------------------------------------------------------------
@node ispunct, ctype
@subheading Syntax

@example
#include <ctype.h>

int ispunct(int c);
@end example

@subheading Description

Tells if @var{c} is any printing character except space and those
indicated by @code{isalnum}. 

@subheading Return Value

Nonzero if @var{c} is punctuation, else zero.


@subheading Portability

@portability ansi, posix