Minor code-stylistic adjustment.

[plomrogue] / src / yx_uint16.h

diff --git a/src/yx_uint16.h b/src/yx_uint16.h
index c1479c0054c1c035b03b437c190fed0253514f77..3a13f0194a8b87564dac6d5f61280149550edf30 100644 (file)
--- a/src/yx_uint16.h
+++ b/src/yx_uint16.h
@@ -1,6 +1,19 @@
+#ifndef YX_UINT16_H
+#define YX_UINT16_H
+
+#include <stdint.h>
+
+enum dir {
+  NORTH = 1,
+  EAST  = 2,
+  SOUTH = 3,
+  WEST  = 4 };
+
 struct yx_uint16 {
   uint16_t y;
   uint16_t x; };
 
 extern char yx_uint16_cmp (struct yx_uint16, struct yx_uint16);
+extern struct yx_uint16 mv_yx_in_dir (enum dir, struct yx_uint16);
 
+#endif