--- gforth/lib.fs	2005/12/31 15:46:09	1.15
+++ gforth/lib.fs	2007/02/17 21:04:15	1.18
@@ -1,6 +1,6 @@
 \ lib.fs	shared library support package 		11may97py
 
-\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005 Free Software Foundation, Inc.
+\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -30,12 +30,26 @@
 
 \ 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  int int ptr (int) open
+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