fo_write
int (*fo_write)(struct open_file *, void *,
if ((errno = (f->f_ops->fo_write)(f, dest, bcount, &resid)))
.fo_write = badfo_readwrite,
.fo_write = fbadop_write,
.fo_write = badfo_readwrite,
.fo_write = kqueue_write,
error = fo_write(fp, &auio, fp->f_cred, O_FOFFSET);
error = fo_write(fp, &auio, fp->f_cred, 0);
error = fo_write(fp, auio, fp->f_cred, flags);
.fo_write = badfo_readwrite,
.fo_write = pipe_write,
.fo_write = soo_write,
.fo_write = vn_write,
int (*fo_write) (struct file *fp, struct uio *uio,
error = (*fp->f_ops->fo_write)(fp, uio, cred, flags);
.fo_write = devfs_fo_write,