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TOASCII(3) Linux Programmer's Manual TOASCII(3)
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 <= 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).
┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│toascii() │ Thread safety │ MT-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)
GNU 2021-03-22 TOASCII(3)