Index: trunk/Ohana/src/opihi/dimm/altaz.c
===================================================================
--- trunk/Ohana/src/opihi/dimm/altaz.c	(revision 2598)
+++ trunk/Ohana/src/opihi/dimm/altaz.c	(revision 7917)
@@ -25,5 +25,5 @@
   latstr = get_variable ("LATITUDE");
   if (latstr == (char *) NULL) {
-    fprintf (stderr, "please define $LATITUDE\n");
+    gprint (GP_ERR, "please define $LATITUDE\n");
     return (FALSE);
   }
@@ -55,5 +55,5 @@
   latstr = get_variable ("LATITUDE");
   if (latstr == (char *) NULL) {
-    fprintf (stderr, "please define $LATITUDE\n");
+    gprint (GP_ERR, "please define $LATITUDE\n");
     return (FALSE);
   }
@@ -79,8 +79,8 @@
   
  usage:
-  fprintf (stderr, "USAGE: altaz -h (ha) (dec) (alt) (az)\n");
-  fprintf (stderr, "USAGE: altaz -c (ha) (dec) (alt) (az)\n");
-  fprintf (stderr, "       -h alt/az to ha/dec, -c ha/dec to alt/az\n");
-  fprintf (stderr, "       returned values in variables provided\n");
+  gprint (GP_ERR, "USAGE: altaz -h (ha) (dec) (alt) (az)\n");
+  gprint (GP_ERR, "USAGE: altaz -c (ha) (dec) (alt) (az)\n");
+  gprint (GP_ERR, "       -h alt/az to ha/dec, -c ha/dec to alt/az\n");
+  gprint (GP_ERR, "       returned values in variables provided\n");
   return (FALSE);