Function axiolid_v0_4_hidden_lines_count 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn axiolid_v0_4_hidden_lines_count(
    context: AxiolidContextHandle,
    result: AxiolidResultHandle,
    out_count: *mut usize,
) -> AxiolidStatus

Query the number of segments of a hidden-line result.

Safety

Every non-null pointer must be aligned and valid for the documented read or write extent.