toascii man page

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).

InterfaceAttributeValue
toascii()Thread safetyMT-Safe

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 4.08 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/.

Referenced By

isalpha(3).

2016-03-15 GNU Linux Programmer's Manual