Manual browser: isgraph(3)

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ISGRAPH(3) Library Functions Manual ISGRAPH(3)

NAME

isgraphprinting 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 (' ').

RETURN VALUES

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

STANDARDS

The isgraph() function conforms to ANSI X3.159-1989 (“ANSI C89”).

CAVEATS

The argument to isgraph() must be EOF or representable as an unsigned char; otherwise, the behavior is undefined. See the CAVEATS section of ctype(3) for more details.
April 17, 2008 NetBSD 7.0