77 lines
2.4 KiB
Groff
77 lines
2.4 KiB
Groff
.\" $NetBSD: toascii.3,v 1.12 2008/04/17 16:41:00 apb Exp $
|
|
.\"
|
|
.\" Copyright (c) 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)toascii.3 8.1 (Berkeley) 6/4/93
|
|
.\"
|
|
.Dd April 17, 2008
|
|
.Dt TOASCII 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm toascii
|
|
.Nd convert a byte to 7-bit ASCII
|
|
.Sh LIBRARY
|
|
.Lb libc
|
|
.Sh SYNOPSIS
|
|
.In ctype.h
|
|
.Ft int
|
|
.Fn toascii "int c"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn toascii
|
|
function returns the argument with all but the lower 7 bits cleared.
|
|
.Sh RETURN VALUES
|
|
The
|
|
.Fn toascii
|
|
function always returns a valid ASCII character.
|
|
The result is a non-negative integer in the
|
|
range from 0 to 127, inclusive.
|
|
.Sh SEE ALSO
|
|
.Xr ctype 3 ,
|
|
.Xr isalnum 3 ,
|
|
.Xr isalpha 3 ,
|
|
.Xr isascii 3 ,
|
|
.Xr iscntrl 3 ,
|
|
.Xr isdigit 3 ,
|
|
.Xr isgraph 3 ,
|
|
.Xr islower 3 ,
|
|
.Xr isprint 3 ,
|
|
.Xr ispunct 3 ,
|
|
.Xr isspace 3 ,
|
|
.Xr isupper 3 ,
|
|
.Xr isxdigit 3 ,
|
|
.Xr stdio 3 ,
|
|
.Xr tolower 3 ,
|
|
.Xr toupper 3 ,
|
|
.Xr ascii 7
|
|
.Sh STANDARDS
|
|
The
|
|
.Fn toascii
|
|
function conforms to
|
|
.St -xpg4 .
|