added more code to ffi

moo/kernel/Mill.moo

@@ -88,8 +88,9 @@ class MyObject(Object)
 		(ffi isError) 
 			ifTrue: [System logNl: 'cannot open libc.so' ]
 			ifFalse: [
-				(ffi call: #getpid  signature: 'i' arguments: nil) dump.
+				(ffi call: #getpid  signature: ')i' arguments: nil) dump.
+				(ffi call: #printf signature: 's|iis)i' arguments: #(S'A=>%d B=>%d Hello, world %s\n' 1 2 'fly away')) dump.
 				ffi close.
 			]
 	}
-}
+}

moo/kernel/test-014.moo

@@ -242,4 +242,4 @@ extend MyObject
 		System logNl: JJJ.
 		System logNl: -200 asString.
 	}
-}
+}