wctob(3C)

wctob -- wide character to byte conversion

Synopsis

#include <stdio.h>
#include <wchar.h>
int wctob(wint_t c);

Description

wctob determines whether c corresponds to a member of the extended character set whose multibyte character representation is as a single byte when in the initial shift state.

Return values

wctob returns EOF if c does not correspond to a multibyte character with length one; otherwise, it returns the single byte representation.