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'\" t
.\" Copyright (c) 1995 by Jim Van Zandt <jrv@vanzandt.mv.com>
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.\" Added BUGS section, aeb, 950919
.\"
.TH toascii 3 2023-10-31 "Linux man-pages 6.7"
.SH NAME
toascii \- convert character to ASCII
.SH LIBRARY
Standard C library
.RI ( libc ", " \-lc )
.SH SYNOPSIS
.nf
.B #include <ctype.h>
.P
.BI "[[deprecated]] int toascii(int " c );
.fi
.P
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.RE
.P
.BR toascii ():
.nf
_XOPEN_SOURCE
|| /* glibc >= 2.19: */ _DEFAULT_SOURCE
|| /* glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE
.fi
.SH DESCRIPTION
.BR toascii ()
converts
.I c
to a 7-bit
.I "unsigned char"
value that fits into the ASCII character set, by clearing the
high-order bits.
.SH RETURN VALUE
The value returned is that of the converted character.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lbx lb lb
l l l.
Interface Attribute Value
T{
.na
.nh
.BR toascii ()
T} Thread safety MT-Safe
.TE
.SH STANDARDS
POSIX.1-2008.
.SH HISTORY
SVr4, BSD, POSIX.1-2001.
Obsolete in POSIX.1-2008,
noting that it cannot be used portably in a localized application.
.SH BUGS
Many people will be unhappy if you use this function.
This function will convert accented letters into random characters.
.SH SEE ALSO
.BR isascii (3),
.BR tolower (3),
.BR toupper (3)
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