\" $NetBSD: toascii.3,v 1.13 2010/04/30 04:46:18 jruoho Exp $
\"
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\" @(#)toascii.3 8.1 (Berkeley) 6/4/93
\"
Dd April 30, 2010
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
and
St -p1003.1-2001 .
The
St -p1003.1-2008
revision however marked it as obsolete, noting that
Fn toascii
cannot be used portably in a localized application.
