zircon/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;
}