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PROC_DOSTRING(9)	      The proc filesystem	      PROC_DOSTRING(9)

NAME
       proc_dostring - read a string sysctl

SYNOPSIS
       int proc_dostring(struct ctl_table * table, int write,
			 void __user * buffer, size_t * lenp, loff_t * ppos);

ARGUMENTS
       table
	   the sysctl table

       write

	   TRUE if this is a write to the sysctl file

       buffer
	   the user buffer

       lenp
	   the size of the user buffer

       ppos
	   file position

DESCRIPTION
       Reads/writes a string from/to the user buffer. If the kernel buffer
       provided is not large enough to hold the string, the string is
       truncated. The copied string is NULL-terminated. If the string is being
       read by the user process, it is copied and a newline ´\n´ is added. It
       is truncated if the buffer is not large enough.

       Returns 0 on success.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		      PROC_DOSTRING(9)

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