mirror of https://github.com/mkerrisk/man-pages
88 lines
2.4 KiB
Groff
88 lines
2.4 KiB
Groff
.\" Copyright (c) 1995 by Jim Van Zandt <jrv@vanzandt.mv.com>
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.\"
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.\" %%%LICENSE_START(VERBATIM)
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.\" Permission is granted to make and distribute verbatim copies of this
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.\" manual provided the copyright notice and this permission notice are
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.\" preserved on all copies.
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.\"
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.\" Permission is granted to copy and distribute modified versions of this
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.\" manual under the conditions for verbatim copying, provided that the
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.\" entire resulting derived work is distributed under the terms of a
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.\" permission notice identical to this one.
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.\"
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.\" Since the Linux kernel and libraries are constantly changing, this
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.\" manual page may be incorrect or out-of-date. The author(s) assume no
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.\" responsibility for errors or omissions, or for damages resulting from
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.\" the use of the information contained herein. The author(s) may not
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.\" have taken the same level of care in the production of this manual,
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.\" which is licensed free of charge, as they might when working
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.\" professionally.
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.\"
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.\" Formatted or processed versions of this manual, if unaccompanied by
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.\" the source, must acknowledge the copyright and authors of this work.
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.\" %%%LICENSE_END
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.\"
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.\" Added BUGS section, aeb, 950919
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.\"
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.TH TOASCII 3 2021-03-22 "GNU" "Linux Programmer's Manual"
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.SH NAME
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toascii \- convert character to ASCII
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.SH SYNOPSIS
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.nf
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.B #include <ctype.h>
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.PP
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.BI "int toascii(int " "c" );
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.fi
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.PP
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.RS -4
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Feature Test Macro Requirements for glibc (see
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.BR feature_test_macros (7)):
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.RE
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.PP
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.BR toascii ():
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.nf
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_XOPEN_SOURCE
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|| /* Glibc since 2.19: */ _DEFAULT_SOURCE
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|| /* Glibc <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE
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.fi
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.SH DESCRIPTION
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.BR toascii ()
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converts
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.I c
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to a 7-bit
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.I "unsigned char"
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value that fits into the ASCII character set, by clearing the
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high-order bits.
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.SH RETURN VALUE
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The value returned is that of the converted character.
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.SH ATTRIBUTES
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For an explanation of the terms used in this section, see
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.BR attributes (7).
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.ad l
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.nh
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.TS
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allbox;
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lbx lb lb
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l l l.
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Interface Attribute Value
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T{
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.BR toascii ()
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T} Thread safety MT-Safe
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.TE
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.hy
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.ad
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.sp 1
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.SH CONFORMING TO
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SVr4, BSD, POSIX.1-2001.
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POSIX.1-2008 marks
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.BR toascii ()
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as obsolete,
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noting that it cannot be used portably in a localized application.
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.SH BUGS
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Many people will be unhappy if you use this function.
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This function will convert accented letters into random characters.
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.SH SEE ALSO
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.BR isascii (3),
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.BR tolower (3),
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.BR toupper (3)
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