nfsrpc_open
openerr = nfsrpc_open(vp, FWRITE, cred,
openerr = nfsrpc_open(vp, FREAD, cred,
error = nfsrpc_open(vp, fmode, ap->a_cred, ap->a_td);
int nfsrpc_open(vnode_t, int, struct kauth_cred *, NFSPROC_T *);