 an integer.

<p>In arguments are used when the argument only goes into the function
and is passed to the shared library by value.  Out and inout arguments 
are used when the argument is expected to come out of or both go into
and come out of the function and is passed by pointer reference.  There
is currently no difference between out and inout.  Strings and variants
are exceptions to this rule, as they are always passed as pointer
references and work like inout arguments.

<p>Now look at the sec