#define hv_fetch_ent(hv, keysv, lval, hash) \
((HE *) hv_common((hv), (keysv), NULL, 0, 0, \
((lval) ? HV_FETCH_LVALUE : 0), NULL, (hash)))
#define hv_fetch_ent(hv, keysv, lval, hash) \
((HE *) hv_common((hv), (keysv), NULL, 0, 0, \
((lval) ? HV_FETCH_LVALUE : 0), NULL, (hash)))