1*2fe8fb19SBen Gras.\" $NetBSD: toascii.3,v 1.13 2010/04/30 04:46:18 jruoho Exp $ 2*2fe8fb19SBen Gras.\" 3*2fe8fb19SBen Gras.\" Copyright (c) 1993 4*2fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 5*2fe8fb19SBen Gras.\" 6*2fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 7*2fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 8*2fe8fb19SBen Gras.\" are met: 9*2fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 10*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 11*2fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 12*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 13*2fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 14*2fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 15*2fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 16*2fe8fb19SBen Gras.\" without specific prior written permission. 17*2fe8fb19SBen Gras.\" 18*2fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19*2fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*2fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*2fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22*2fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*2fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*2fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*2fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*2fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*2fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*2fe8fb19SBen Gras.\" SUCH DAMAGE. 29*2fe8fb19SBen Gras.\" 30*2fe8fb19SBen Gras.\" @(#)toascii.3 8.1 (Berkeley) 6/4/93 31*2fe8fb19SBen Gras.\" 32*2fe8fb19SBen Gras.Dd April 30, 2010 33*2fe8fb19SBen Gras.Dt TOASCII 3 34*2fe8fb19SBen Gras.Os 35*2fe8fb19SBen Gras.Sh NAME 36*2fe8fb19SBen Gras.Nm toascii 37*2fe8fb19SBen Gras.Nd convert a byte to 7-bit ASCII 38*2fe8fb19SBen Gras.Sh LIBRARY 39*2fe8fb19SBen Gras.Lb libc 40*2fe8fb19SBen Gras.Sh SYNOPSIS 41*2fe8fb19SBen Gras.In ctype.h 42*2fe8fb19SBen Gras.Ft int 43*2fe8fb19SBen Gras.Fn toascii "int c" 44*2fe8fb19SBen Gras.Sh DESCRIPTION 45*2fe8fb19SBen GrasThe 46*2fe8fb19SBen Gras.Fn toascii 47*2fe8fb19SBen Grasfunction returns the argument with all but the lower 7 bits cleared. 48*2fe8fb19SBen Gras.Sh RETURN VALUES 49*2fe8fb19SBen GrasThe 50*2fe8fb19SBen Gras.Fn toascii 51*2fe8fb19SBen Grasfunction always returns a valid ASCII character. 52*2fe8fb19SBen GrasThe result is a non-negative integer in the 53*2fe8fb19SBen Grasrange from 0 to 127, inclusive. 54*2fe8fb19SBen Gras.Sh SEE ALSO 55*2fe8fb19SBen Gras.Xr ctype 3 , 56*2fe8fb19SBen Gras.Xr isalnum 3 , 57*2fe8fb19SBen Gras.Xr isalpha 3 , 58*2fe8fb19SBen Gras.Xr isascii 3 , 59*2fe8fb19SBen Gras.Xr iscntrl 3 , 60*2fe8fb19SBen Gras.Xr isdigit 3 , 61*2fe8fb19SBen Gras.Xr isgraph 3 , 62*2fe8fb19SBen Gras.Xr islower 3 , 63*2fe8fb19SBen Gras.Xr isprint 3 , 64*2fe8fb19SBen Gras.Xr ispunct 3 , 65*2fe8fb19SBen Gras.Xr isspace 3 , 66*2fe8fb19SBen Gras.Xr isupper 3 , 67*2fe8fb19SBen Gras.Xr isxdigit 3 , 68*2fe8fb19SBen Gras.Xr stdio 3 , 69*2fe8fb19SBen Gras.Xr tolower 3 , 70*2fe8fb19SBen Gras.Xr toupper 3 , 71*2fe8fb19SBen Gras.Xr ascii 7 72*2fe8fb19SBen Gras.Sh STANDARDS 73*2fe8fb19SBen GrasThe 74*2fe8fb19SBen Gras.Fn toascii 75*2fe8fb19SBen Grasfunction conforms to 76*2fe8fb19SBen Gras.St -xpg4 77*2fe8fb19SBen Grasand 78*2fe8fb19SBen Gras.St -p1003.1-2001 . 79*2fe8fb19SBen GrasThe 80*2fe8fb19SBen Gras.St -p1003.1-2008 81*2fe8fb19SBen Grasrevision however marked it as obsolete, noting that 82*2fe8fb19SBen Gras.Fn toascii 83*2fe8fb19SBen Grascannot be used portably in a localized application. 84