function::user_string_n2 man page on RedHat

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FUNCTION::USER_STRIN(3stString and data retrieving FUNCTION::USER_STRIN(3stap)

NAME
       function::user_string_n2 - Retrieves string of given length from user
       space

SYNOPSIS
	   user_string_n2:string(addr:long,n:long,err_msg:string)

ARGUMENTS
       addr
	   the user space address to retrieve the string from

       n
	   the maximum length of the string (if not null terminated)

       err_msg
	   the error message to return when data isn't available

DESCRIPTION
       Returns the C string of a maximum given length from a given user space
       address. Returns the given error message string on the rare cases when
       userspace data is not accessible at the given address.

SystemTap Tapset Reference	 November 2013	   FUNCTION::USER_STRIN(3stap)
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