VOP_WRITE
err = VOP_WRITE(sc->sc_vp, &uio, 0, p->p_ucred);
vd->status = VOP_WRITE(sc->sc_vp, &uio, 0, p->p_ucred);
error = VOP_WRITE(vp, &uio, IO_UNIT|IO_APPEND, curproc->p_ucred);
error = VOP_WRITE(vp, &uio, IO_UNIT|IO_APPEND, curproc->p_ucred);
error = VOP_WRITE(vp, &auio, IO_UNIT|IO_APPEND, cred);
error = VOP_WRITE(ttyvp, uio, flag, NOCRED);
error = VOP_WRITE(vp, &auio, ioflg, cred);
error = VOP_WRITE(vp, uio, ioflag, cred);
error = VOP_WRITE(vp, uiop, ioflags, cred);
int VOP_WRITE(struct vnode *, struct uio *, int, struct ucred *);
error = VOP_WRITE(dvp, &auio, IO_SYNC, cnp->cn_cred);
error = VOP_WRITE(dqvp, &auio, 0, dq->dq_cred);
result = VOP_WRITE(vn, &uio,