cgrammar 0.9.1

A comprehensive C language grammar parser library written in Rust, implementing the C23 standard (ISO/IEC 9899:2023).
Documentation 
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//en.cppreference.com/w/c/string/wide/towctrans.html
#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);
}