third_party/ulib/musl/src/string/wcsrchr.c

#include <wchar.h>

wchar_t* wcsrchr(const wchar_t* s, wchar_t c) {
    const wchar_t* p;
    for (p = s + wcslen(s); p >= s && *p != c; p--)
        ;
    return p >= s ? (wchar_t*)p : 0;
}