smbfs_writenp
static int smbfs_writenp(smbnode_t *np, caddr_t base, int tcount,
error = smbfs_writenp(np, NULL, n, uiop, 0);
error = smbfs_writenp(np, base + pon, n, uiop,
error = smbfs_writenp(np, base + on, n, uiop,