Index: trunk/Ohana/src/opihi/dvo/ddmags.c
===================================================================
--- trunk/Ohana/src/opihi/dvo/ddmags.c	(revision 7680)
+++ trunk/Ohana/src/opihi/dvo/ddmags.c	(revision 7917)
@@ -72,5 +72,5 @@
     }
     unlock_catalog (&catalog);
-    // fprintf (stderr, "seaching %s with %d stars\n", catalog.filename, catalog.Naverage);
+    // gprint (GP_ERR, "seaching %s with %d stars\n", catalog.filename, catalog.Naverage);
     // ListPhotSelections ();
 
@@ -112,5 +112,5 @@
       if (M2 != NULL) free (M2);
     }
-    // fprintf (stderr, "selected %d stars\n", Npts);
+    // gprint (GP_ERR, "selected %d stars\n", Npts);
 
     if (catalog.average != NULL) free (catalog.average);
@@ -126,5 +126,5 @@
 
 usage:
-  fprintf (stderr, "USAGE: ddmags F - F : measure.param\n");
+  gprint (GP_ERR, "USAGE: ddmags F - F : measure.param\n");
 
 escape:
