* Copyright (c) 1982, 1986 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* from: @(#)uio.h 7.8 (Berkeley) 4/15/91
* $Id: uio.h,v 1.2 1993/10/16 17:18:15 rgrimes Exp $
enum uio_rw
{ UIO_READ
, UIO_WRITE
};
UIO_USERSPACE
, /* from user data space */
UIO_SYSSPACE
, /* from system space */
UIO_USERISPACE
/* from user I space */
#define UIO_MAXIOV 1024 /* max 1K of iov's */
#define UIO_SMALLIOV 8 /* 8 on stack, else malloc */
extern int uiomove(void *, int, struct uio
*);
* NB: argument cannot be properly declared because this function is often
* called with arguments not matching the appropriate type. The actual
* type of the first argument is `int (*)(caddr_t, caddr_t, caddr_t, off_t,
* enum uio_rw, caddr_t, u_int *, struct proc *)'.
typedef int (*uioapply_func_t
)(caddr_t
, caddr_t
, caddr_t
, off_t
, enum uio_rw
, caddr_t
, u_int
*, struct proc
*);
extern int uioapply(int (*)(), caddr_t
, caddr_t
, struct uio
*);
extern int ureadc(int, struct uio
*);
int readv
__P((int, const struct iovec
*, int));
int writev
__P((int, const struct iovec
*, int));