Function validate_build_content_model 

pub unsafe fn validate_build_content_model(
    ctxt: *mut _xmlValidCtxt,
    elem: *mut _xmlElement,
) -> c_int

Upstream xmlValidBuildContentModel(ctxt, elem): compile the element’s content tree into a content-model NFA cached in elem->contModel. Returns 1 on success, 0 on failure.

SAFETY

• ctxt may be NULL; elem a valid pointer.