_copy_from_user man page on OpenSuSE

Man page or keyword search:  
man Server   25941 pages
apropos Keyword Search (all sections)
Output format
OpenSuSE logo
[printable version]

_COPY_FROM_USER(9)	  Memory Management in Linux	    _COPY_FROM_USER(9)

NAME
       _copy_from_user - Copy a block of data from user space.

SYNOPSIS
       unsigned long _copy_from_user(void * to, const void __user * from,
				     unsigned long n);

ARGUMENTS
       to
	   Destination address, in kernel space.

       from
	   Source address, in user space.

       n
	   Number of bytes to copy.

CONTEXT
       User context only. This function may sleep.

DESCRIPTION
       Copy data from user space to kernel space.

       Returns number of bytes that could not be copied. On success, this will
       be zero.

       If some data could not be copied, this function will pad the copied
       data to the requested size using zero bytes.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013		    _COPY_FROM_USER(9)
[top]

List of man pages available for OpenSuSE

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]
Tweet
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................
Vote for polarhome
Free Shell Accounts :: the biggest list on the net