Index: trunk/Ohana/src/opihi/cmd.astro/csystem.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.astro/csystem.c	(revision 20936)
+++ trunk/Ohana/src/opihi/cmd.astro/csystem.c	(revision 34342)
@@ -11,8 +11,5 @@
   CoordTransform *transform;
 
-  if (argc != 5) {
-    gprint (GP_ERR, "USAGE: csystems [C/G/E/H] [C/G/E/H] X Y\n");
-    return (FALSE);
-  }
+  if (argc != 5) goto syntax;
 
   switch (argv[1][0]) {
@@ -20,5 +17,5 @@
     case 'G': input = COORD_GALACTIC; break;
     case 'E': input = COORD_ECLIPTIC; break;
-    default: abort();
+    default: goto syntax;
   }
 
@@ -27,5 +24,5 @@
     case 'G': output = COORD_GALACTIC; break;
     case 'E': output = COORD_ECLIPTIC; break;
-    default: abort();
+    default: goto syntax;
   }
 
@@ -66,3 +63,6 @@
   return (TRUE);
 
+syntax:
+  gprint (GP_ERR, "USAGE: csystems [C/G/E/H] [C/G/E/H] X Y\n");
+  return (FALSE);
 }