Index: trunk/Ohana/src/opihi/cmd.data/zap.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/zap.c	(revision 2843)
+++ trunk/Ohana/src/opihi/cmd.data/zap.c	(revision 7917)
@@ -16,5 +16,5 @@
 
   if (argc != 6) {
-    fprintf (stderr, "USAGE: zap <buffer> sx sy nx ny [-v value]\n");
+    gprint (GP_ERR, "USAGE: zap <buffer> sx sy nx ny [-v value]\n");
     return (FALSE);
   }
@@ -38,5 +38,5 @@
 
  error:
-  fprintf (stderr, "region out of range\n");
+  gprint (GP_ERR, "region out of range\n");
   return (FALSE);
 }