crgetsid
extern struct ksid *crgetsid(const cred_t *, int);
ksid = crgetsid(of->f_user->u_cred, KSID_USER);
owner_sid = crgetsid(cr, KSID_OWNER);
group_sid = crgetsid(cr, KSID_GROUP);
ksid_t *ks1 = crgetsid(cr1, KSID_USER);
ksid_t *ks2 = crgetsid(cr2, KSID_USER);
ksid = crgetsid(user->u_cred, KSID_USER);
ksid = crgetsid(cr, (type == ZFS_OWNER) ? KSID_OWNER : KSID_GROUP);
ksid = crgetsid(cr, KSID_USER);
ksid_t *ksid = crgetsid(cr, KSID_USER);
ksid_t *ksid = crgetsid(cr, KSID_GROUP);
ksid = crgetsid(cr, KSID_OWNER);
ksid = crgetsid(cr, KSID_OWNER);
extern struct ksid *crgetsid(const cred_t *, int);