$ csi 

CHICKEN
(c)2008-2011 The Chicken Team
(c)2000-2007 Felix L. Winkelmann
Version 4.7.0 
linux-unix-gnu-x86-64 [ 64bit manyargs dload ptables ]
compiled 2011-06-15 on knoblauch (Linux)

#;1> (use defstruct)
; loading /home/ckellerm/chickens/4.7.0/lib/chicken/6/defstruct.import.so ...
; loading /home/ckellerm/chickens/4.7.0/lib/chicken/6/chicken.import.so ...
; loading /home/ckellerm/chickens/4.7.0/lib/chicken/6/scheme.import.so ...
; loading /home/ckellerm/chickens/4.7.0/lib/chicken/6/defstruct.so ...
#;2> 
$ cat /tmp/def-test.scm 
(use defstruct)
(print "hi")

$ csc /tmp/def-test.scm
$  /tmp/def-test
hi
$