EXPAND_PATH_BUFFER 3628 file.c             return rb_file_expand_path_internal(fname, Qnil, 0, 0, EXPAND_PATH_BUFFER());
EXPAND_PATH_BUFFER 3635 file.c             return expand_path(fname, dname, 0, 1, EXPAND_PATH_BUFFER());
EXPAND_PATH_BUFFER 3641 file.c             return expand_path(fname, dname, 0, 0, EXPAND_PATH_BUFFER());
EXPAND_PATH_BUFFER 3683 file.c             return expand_path(fname, dname, 1, 1, EXPAND_PATH_BUFFER());