nfs_open
{ nfs_open, nfs_close, nfs_read, nfs_write, nfs_seek, nfs_stat },
{ nfs_open, nfs_close, nfs_read, nfs_write, nfs_seek, nfs_stat },
static vop_open_t nfs_open;
.vop_open = nfs_open,
{ &vop_open_desc, nfs_open }, /* open */
int nfs_open(void *);