Function axiolid_v0_4_mesh_counts 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn axiolid_v0_4_mesh_counts(
    context: AxiolidContextHandle,
    mesh: AxiolidMeshHandle,
    out_vertex_count: *mut usize,
    out_triangle_count: *mut usize,
) -> AxiolidStatus

Query vertex and triangle counts before allocating export buffers.

Safety

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