Function vips_sys::g_scanner_unexp_token

pub unsafe extern "C" fn g_scanner_unexp_token(
    scanner: *mut GScanner, 
    expected_token: GTokenType, 
    identifier_spec: *const gchar, 
    symbol_spec: *const gchar, 
    symbol_name: *const gchar, 
    message: *const gchar, 
    is_error: gint
)