Index: trunk/Ohana/src/opihi/cmd.astro/csystem.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/csystem.c	(revision 2598)
+++ trunk/Ohana/src/opihi/cmd.astro/csystem.c	(revision 7917)
@@ -13,5 +13,5 @@
    
   if (argc != 5) {
-    fprintf (stderr, "USAGE: csystems [C/G/E/H] [C/G/E/H] X Y\n");
+    gprint (GP_ERR, "USAGE: csystems [C/G/E/H] [C/G/E/H] X Y\n");
     return (FALSE);
   }
@@ -22,5 +22,5 @@
     switch (argv[2][0]) {
     case 'C': 
-      fprintf (stderr, "same coordinate system\n");
+      gprint (GP_ERR, "same coordinate system\n");
       return (TRUE);
       break;
@@ -51,5 +51,5 @@
       break;
     case 'G':
-      fprintf (stderr, "error: conversions between galactic and ecliptic not implemented\n");
+      gprint (GP_ERR, "error: conversions between galactic and ecliptic not implemented\n");
       return (FALSE);
       phi = -62.6*RAD_DEG;
@@ -73,5 +73,5 @@
       break;
     case 'E':
-      fprintf (stderr, "error: conversions between galactic and ecliptic not implemented\n");
+      gprint (GP_ERR, "error: conversions between galactic and ecliptic not implemented\n");
       return (FALSE);
       gettimeofday (&now, (struct timezone *) NULL);
@@ -91,5 +91,5 @@
 
   if (xvec[0].Nelements != yvec[0].Nelements) {
-    fprintf (stderr, "vectors %s and %s not the same length\n", argv[3], argv[4]);
+    gprint (GP_ERR, "vectors %s and %s not the same length\n", argv[3], argv[4]);
     return (FALSE);
   }