Function xmlC14NDocSave 

pub unsafe extern "C" fn xmlC14NDocSave(
    doc: xmlDocPtr,
    nodes: xmlNodeSetPtr,
    mode: c_int,
    inclusive_ns_prefixes: *mut *mut xmlChar,
    with_comments: c_int,
    filename: *const c_char,
    compression: c_int,
) -> c_int