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STRNLEN_USER(9)		  Memory Management in Linux	       STRNLEN_USER(9)

NAME
       strnlen_user - Get the size of a string in user space.

SYNOPSIS
       long strnlen_user(const char __user * s, long n);

ARGUMENTS
       s
	   The string to measure.

       n
	   The maximum valid length

DESCRIPTION
       Get the size of a NUL-terminated string in user space.

       Returns the size of the string INCLUDING the terminating NUL. On
       exception, returns 0. If the string is too long, returns a value
       greater than n.

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

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