.\"	$OpenBSD: isgraph.3,v 1.10 2013/06/05 03:39:22 tedu Exp $
.\"
.\" Copyright (c) 1991 The Regents of the University of California.
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.\" This code is derived from software contributed to Berkeley by
.\" the American National Standards Committee X3, on Information
.\" Processing Systems.
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.Dd $Mdocdate: June 5 2013 $
.Dt ISGRAPH 3
.Os
.Sh NAME
.Nm isgraph
.Nd printing character test (space character exclusive)
.Sh SYNOPSIS
.In ctype.h
.Ft int
.Fn isgraph "int c"
.Sh DESCRIPTION
The
.Fn isgraph
function tests for any printing character except space
.Pq Sq \ \& .
.Sh RETURN VALUES
The
.Fn isgraph
macro returns zero if the character tests false or
non-zero if the character tests true.
.Sh SEE ALSO
.Xr isalnum 3 ,
.Xr isalpha 3 ,
.Xr isascii 3 ,
.Xr isblank 3 ,
.Xr iscntrl 3 ,
.Xr isdigit 3 ,
.Xr islower 3 ,
.Xr isprint 3 ,
.Xr ispunct 3 ,
.Xr isspace 3 ,
.Xr isupper 3 ,
.Xr isxdigit 3 ,
.Xr stdio 3 ,
.Xr toascii 3 ,
.Xr tolower 3 ,
.Xr toupper 3 ,
.Xr ascii 7
.Sh STANDARDS
The
.Fn isgraph
function conforms to
.St -ansiC .
.Sh CAVEATS
The argument to
.Fn isgraph
must be
.Dv EOF
or representable as an
.Li unsigned char ;
otherwise, the result is undefined.