towctrans

wint_t towctrans( wint_t wc, wctrans_t desc );

Maps the wide character wc using the current C locale's LC_CTYPE mapping category identified by desc.

Parameters

Return value

The mapped value of wc using the mapping identified by desc in LC_CTYPE facet of the current C locale.

Example

#include <locale.h>
#include <wctype.h>
#include <wchar.h>
#include <stdio.h>
 
int main(void)
{
    setlocale(LC_ALL, "ja_JP.UTF-8");
    const wchar_t kana[] = L"ヒラガナ";
    size_t sz = sizeof kana / sizeof *kana;
    wchar_t hira[sz];
    for (size_t n = 0; n < sz; ++n)
        hira[n] = towctrans(kana[n], wctrans("tojhira"));
    printf("katakana characters %ls are %ls in hiragana\n", kana, hira);
}

katakana characters ヒラガナ are ひらがな in hiragana

References

• C23 standard (ISO/IEC 9899:2023):
• 7.30.3.2.1 The towctrans function (p: TBD)
• C17 standard (ISO/IEC 9899:2018):
• 7.30.3.2.1 The towctrans function (p: TBD)
• C11 standard (ISO/IEC 9899:2011):
• 7.30.3.2.1 The towctrans function (p: 454)
• C99 standard (ISO/IEC 9899:1999):
• 7.25.3.2,1 The towctrans function (p: 400)

See also