pub type em_async_wget2_data_onprogress_func = Option<unsafe extern "C" fn(handle: c_uint, userdata: *mut c_void, loaded: c_int, total: c_int)>;Aliased Type§
pub enum em_async_wget2_data_onprogress_func {
None,
Some(unsafe extern "C" fn(u32, *mut c_void, i32, i32)),
}