pub unsafe extern "C" fn _php_stream_copy_to_mem(
src: *mut php_stream,
maxlen: usize,
persistent: bool,
__php_stream_call_depth: c_int,
__zend_filename: *const c_char,
__zend_lineno: u32,
__zend_orig_filename: *const c_char,
__zend_orig_lineno: u32,
) -> *mut zend_string