NAME¶

toascii - convert character to ASCII

SYNOPSIS¶

#include <ctype.h>

int toascii(int c);

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

toascii(): _XOPEN_SOURCE
|| /* Glibc since 2.19: */ _DEFAULT_SOURCE
|| /* Glibc versions <= 2.19: */ _SVID_SOURCE || _BSD_SOURCE

DESCRIPTION¶

toascii() converts c to a 7-bit unsigned char value that fits into the ASCII character set, by clearing the high-order bits.

RETURN VALUE¶

The value returned is that of the converted character.

ATTRIBUTES¶

For an explanation of the terms used in this section, see attributes(7).

CONFORMING TO¶

SVr4, BSD, POSIX.1-2001. POSIX.1-2008 marks toascii() as obsolete, noting that it cannot be used portably in a localized application.

BUGS¶

Many people will be unhappy if you use this function. This function will convert accented letters into random characters.

SEE ALSO¶

isascii(3), tolower(3), toupper(3)

COLOPHON¶

This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.