Provided by: systemtap-doc_1.6-1ubuntu1_all bug

NAME

       function::user_string_n_quoted - Retrieves and quotes string from user space

SYNOPSIS

           user_string_n_quoted:string(addr:long,n:long)

ARGUMENTS

       addr
           the user space address to retrieve the string from

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

DESCRIPTION

       Returns up to n characters of a C string from the given user space memory address where
       any ASCII characters that are not printable are replaced by the corresponding escape
       sequence in the returned string. Reports “NULL” for address zero. Returns “<unknown>” on
       the rare cases when userspace data is not accessible at the given address.