16:19 >perl 833_SoPW.pl
Useless use of a constant ("x") in void context at 833_SoPW.pl line 29.

name() has prototype (*;**)

First  argument: 1a
Second argument: u
Third  argument: v

First  argument: 1b
Second argument: u
Third  argument: v

First  argument: 2a
Second argument: x
Third  argument: y

Missing argument in printf at 833_SoPW.pl line 19.
First  argument: 2b
Second argument: y
Third  argument:

First  argument: 3a
Second argument: foo
Third  argument: bar

First  argument: 3b
Second argument: 2
Third  argument: extra_2

First  argument: 3c
Second argument: foo
Third  argument: bar


16:19 >