1FUNCTION::USER_STRIN(3staSpt)ring and data retrieving fFuUnNCTION::USER_STRIN(3stap)
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NAME

6       function::user_string_n2 - Retrieves string of given length from user
7       space
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SYNOPSIS

10           user_string_n2:string(addr:long,n:long,err_msg:string)
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ARGUMENTS

13       addr
14           the user space address to retrieve the string from
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16       n
17           the maximum length of the string (if not null terminated)
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19       err_msg
20           the error message to return when data isn't available
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DESCRIPTION

23       Returns the C string of a maximum given length from a given user space
24       address. Returns the given error message string on the rare cases when
25       userspace data is not accessible at the given address.
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29SystemTap Tapset Reference        August 2011      FUNCTION::USER_STRIN(3stap)
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