Function iup_sys::IupGetParamv

pub unsafe extern "C" fn IupGetParamv(
    title: *const c_char, 
    action: Iparamcb, 
    user_data: *mut c_void, 
    format: *const c_char, 
    param_count: c_int, 
    param_extra: c_int, 
    param_data: *mut *mut c_void
) -> c_int