Function webkit2gtk_webextension_sys::webkit_dom_element_insert_adjacent_element

pub unsafe extern "C" fn webkit_dom_element_insert_adjacent_element(
    self_: *mut WebKitDOMElement, 
    where_: *const c_char, 
    element: *mut WebKitDOMElement, 
    error: *mut *mut GError
) -> *mut WebKitDOMElement