Function gst::ffi::g_cclosure_marshal_generic

pub unsafe extern "C" fn g_cclosure_marshal_generic(
    closure: *mut GClosure, 
    return_gvalue: *mut GValue, 
    n_param_values: guint, 
    param_values: *const GValue, 
    invocation_hint: gpointer, 
    marshal_data: gpointer
)