path_match
if (path_match(&serials[i].dp, &sstor.ss_console)) {
if (path_match(&graphics[i].dp, &sstor.ss_console)) {
if (path_match(&graphics[port].dp, &sstor.ss_console)) {
if (path_match(&keyboards[i].dp, &sstor.ss_keyboard)) {
int path_match(struct device_path *, struct device_path *);