function::user_string_n2(3) debian man page | unix.com

function::user_string_n2

FUNCTION:(3stap)					  String and data retrieving fun					  FUNCTION:(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					     May 2013							  FUNCTION:(3stap)