Function xmlIsXHTML 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlIsXHTML(
    systemID: *const xmlChar,
    publicID: *const xmlChar,
) -> c_int

Test whether a public/system ID pair is one of the XHTML DTDs.

UPSTREAM-PARITY

int xmlIsXHTML(const xmlChar *systemID, const xmlChar *publicID);