restore *.orig.c to each entry

Under each yyyy/dir there is a file of the form '*.orig.c'
containing the original source code, or as close as we can
get to the original source code.

1984/decot/decot.orig.c

@@ -0,0 +1,32 @@
+#define x =
+#define double(a,b) int
+#define char k['a']
+#define union static struct
+
+extern int floor;
+double (x1, y1) b,
+char x {sizeof(
+    double(%s,%D)(*)())
+,};
+struct tag{int x0,*xO;}
+
+*main(i, dup, signal) {
+{
+  for(signal=0;*k *x * __FILE__ *i;) do {
+   (printf(&*"'\",x);	/*\n\\", (*((double(tag,u)(*)())&floor))(i)));
+	goto _0;
+
+_O: while (!(char <<x - dup)) {	/*/*\*/
+	union tag u x{4};
+  }
+}
+
+
+while(b x 3, i); {
+char x b,i;
+  _0:if(b&&k+
+  sin(signal)		/ *    ((main) (b)-> xO));/*}
+  ;
+}
+
+*/}}}