Function gluon_c_api::glu_get_string

#[no_mangle]
pub unsafe extern "C" fn glu_get_string(
    vm: &Thread,
    index: VmIndex,
    out: &mut *const u8,
    out_len: &mut usize
) -> Error

The returned string is garbage collected and may not be valid after the string is removed from its slot in the stack