strread
error = strread(vp, uiop, crp);
return (strread(SOTOV(so), uiop, cr));
return (strread(vp, uiop, cr));
return (strread(rconsvp, uio, cred));
error = strread(lp->wl_vp, uio, cred);
ret = strread(vp, uiop, credp);
extern int strread(struct vnode *, struct uio *, cred_t *);