Does the interpreter support FFI ?

If not, then how can I "embed" custom FFI definitions into gsi so that they're available in REPL??



shen@ubuntu:~/gambc-v4_6_7-devel$ head test.scm
(c-declare "#include \"SDL.h\"")

;;; SDL Constants ;;;
(define sdl-init-timer       #x00000001)
(define sdl-init-audio       #x00000010)
(define sdl-init-video       #x00000020)
(define sdl-init-cdrom       #x00000100)
(define sdl-init-joystick    #x00000200)
(define sdl-init-noparachute #x00100000)
(define sdl-init-eventthread #x01000000)
shen@ubuntu:~/gambc-v4_6_7-devel$ gsi test.scm
*** ERROR IN "test.scm"@1.1 -- Interpreter does not support ##c-declare