ZEXISTS
if (error != ENOENT || (flag & ZEXISTS)) {
zf = ZEXISTS | ZSHARED;
ASSERT(!(flag & (ZNEW | ZEXISTS)));
int zflg = ZEXISTS;
int zflg = ZEXISTS;
ZEXISTS, NULL, NULL);
ZEXISTS | zflg, NULL, NULL);
sdzp, snm, &szp, ZEXISTS | ZRENAMING | zflg,
ZXATTR | ZEXISTS | ZSHARED, NULL, NULL);