portfop_vfs_t
portfop_vfs_t *pvfsp;
pvfsp = kmem_zalloc(sizeof (portfop_vfs_t), KM_SLEEP);
portfop_vfs_t *pvfsp, **ppvfsp;
kmem_free(pvfsp, sizeof (portfop_vfs_t));
portfop_vfs_t *pvfsp;