--- a/general.h	Sun May 07 13:34:25 2006 +0200
+++ b/general.h	Fri Feb 16 22:57:36 2007 +0100
@@ -84,4 +84,4 @@
 
 /* Functions related to map solution
  * algorithm.c */
-int solve_map(const struct Map origin);
+int solve_map(const struct Map *origin);