centos man page for __copy_to_user

Query: __copy_to_user

OS: centos

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

__COPY_TO_USER(9)					    Memory Management in Linux						 __COPY_TO_USER(9)

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.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 __COPY_TO_USER(9)
Related Man Pages
copystr(9) - debian
bcopy(9f) - sunos
copy(9) - sunos
copy(9) - linux
copyout(9) - php
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