X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fyx_uint16.h;h=3a13f0194a8b87564dac6d5f61280149550edf30;hb=27cee0624f3dc430199c99f000179a3385e4d7c5;hp=c1479c0054c1c035b03b437c190fed0253514f77;hpb=64e1bc2a874308530b7b45c33ed5d37f34f5f8be;p=plomrogue

diff --git a/src/yx_uint16.h b/src/yx_uint16.h
index c1479c0..3a13f01 100644
--- 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