--- gforth/lib.fs	2005/08/21 22:09:14	1.10
+++ gforth/lib.fs	2007/06/01 16:27:37	1.19
@@ -1,6 +1,6 @@
 \ lib.fs	shared library support package 		11may97py
 
-\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
+\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -24,7 +24,75 @@
     [IFDEF] ffi-call
 	include libffi.fs
     [ELSE]
+        .( Neither libffi nor ffcall are available ) cr
+        abort
+        .( Using oldlib.fs; incompatible with fflib.fs and libffi.fs) cr
 	include oldlib.fs
     [THEN]
 [THEN]
 
+\ testing stuff
+
+[IFUNDEF] libc
+    s" os-type" environment? [IF]
+	2dup s" linux-gnu" str= [IF]  2drop
+	    library libc libc.so.6
+	[ELSE] 2dup s" cygwin" str= [IF]  2drop
+		library libc cygwin1.dll
+	    [ELSE]  s" bsd" search nip nip [IF]
+		    library libc libc.so
+		[THEN]
+	    [THEN]
+	[THEN]
+    [THEN]
+[THEN]
+
+[ifdef] testing
+
+library libc libc.so.6
+                
+libc sleep int (int) sleep
+libc open  ptr int int (int) open
+libc lseek int llong int (llong) lseek64
+libc read  int ptr int (int) read
+libc close int (int) close
+
+library libm libm.so.6
+
+libm fmodf sf sf (sf) fmodf
+libm fmod  df df (fp) fmod
+
+\ example for a windows callback
+    
+callback wincall (int) int int int int callback;
+
+:noname ( a b c d -- e )  2drop 2drop 0 ; wincall do_timer
+
+\ test a callback
+
+callback 2:1 (int) int int callback;
+
+: cb-test ( a b -- c )
+    cr ." Testing callback"
+    cr ." arguments: " .s
+    cr ." result " + .s cr ;
+' cb-test 2:1 c_plus
+
+fptr 2:1call int int (int)
+
+: test  c_plus 2:1call ;
+
+\ 3 4 test
+
+\ bigFORTH legacy library test
+
+library libX11 libX11.so.6
+
+legacy on
+
+1 libX11 XOpenDisplay XOpenDisplay    ( name -- dpy )
+5 libX11 XInternAtoms XInternAtoms    ( atoms flag count names dpy -- status )
+
+legacy off
+
+[then]