--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tryshsgr.c	Fri Oct 19 14:06:22 2007 +0200
@@ -0,0 +1,14 @@
+void main()
+{
+  short x[4];
+ 
+  x[0] = x[1] = 1;
+  if (getgroups(1,x) == 0) if (setgroups(1,x) == -1) _exit(1);
+ 
+  if (getgroups(1,x) == -1) _exit(1);
+  if (x[1] != 1) _exit(1);
+  x[1] = 2;
+  if (getgroups(1,x) == -1) _exit(1);
+  if (x[1] != 2) _exit(1);
+  _exit(0);
+}