Function xmlAutomataNewOnceTrans 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlAutomataNewOnceTrans(
    am: XmlAutomataPtr,
    from: XmlAutomataStatePtr,
    to: XmlAutomataStatePtr,
    token: *const c_char,
    _data: *mut c_void,
    min: c_int,
    max: c_int,
) -> XmlAutomataStatePtr

Add a “once” transition (consumes exactly once within bounds).

UPSTREAM-PARITY: xmlAutomataNewOnceTrans()