--- /dev/null
+/* src/server/field_of_view.h
+ *
+ * Generate view of map as visible to player.
+ */
+
+
+
+#ifndef FIELD_OF_VIEW_H
+#define FIELD_OF_VIEW_H
+
+
+
+/* Return map cells sequence as visible to the player, with invisible cells as
+ * whitespace. Super-impose over visible map cells map objects positioned there.
+ */
+extern char * build_visible_map();
+
+
+
+#endif