Function onig_sys::onig_set_callout_data_by_callout_args

pub unsafe extern "C" fn onig_set_callout_data_by_callout_args(
    args: *mut OnigCalloutArgs,
    callout_num: c_int,
    slot: c_int,
    type_: OnigType,
    val: *mut OnigValue
) -> c_int