void *extra_arg);
extern int
-win32_read_file(const mbchar *filename, void *handle, u64 offset,
- size_t size, void *buf);
+win32_read_file(const utf16lechar *win32_filename, void *handle,
+ u64 offset, size_t size, void *buf);
extern HANDLE
win32_open_file_data_only(const wchar_t *path_utf16);