uu_lock
int uu_lock(const char *);
if ((res = uu_lock(dvname)) != UU_LOCK_OK) {
if ((res = uu_lock(dvname)) != UU_LOCK_OK) {
if ((res = uu_lock(dvname)) != UU_LOCK_OK) {
if ((res = uu_lock(uucplock)) != UU_LOCK_OK) {
ret = uu_lock(basettyname);
#define ID0uu_lock uu_lock