Function xmlShellDir 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlShellDir(
    ctxt: *mut _xmlShellCtxt,
    _arg: *mut c_char,
    node: *mut _xmlNode,
    _node2: *mut _xmlNode,
) -> c_int

int xmlShellDir(xmlShellCtxtPtr ctxt, char *arg, xmlNodePtr node, xmlNodePtr node2) — the shell “dir” command.