__COPY_TO_USER
Section: (9)
Updated: 09 April 2004
Index
Return to Main Contents
NAME
__copy_to_user - Copy a block of data into user space, with less checking.
SYNOPSIS
unsigned long __copy_to_user (void __user * to, const void * from, unsigned long n);
ARGUMENTS
- to
-
Destination address, in user space.
- from
-
Source address, in kernel space.
- n
-
Number of bytes to copy.
CONTEXT
User context only. This function may sleep.
DESCRIPTION
Copy data from kernel space to user space. Caller must check
the specified block with access_ok before calling this function.
Returns number of bytes that could not be copied.
On success, this will be zero.
ABOUT THIS DOCUMENT
This documentation was generated with kernel version 2.6.0.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- CONTEXT
-
- DESCRIPTION
-
- ABOUT THIS DOCUMENT
-
This document was created by
man2html,
using the manual pages.
Time: 09:20:01 GMT, April 09, 2004