X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=1940c1b52cdf5b8b0c936092ea6ec784def576ae;hp=677ad055451299c509f428c205226dfc3a921820;hb=8d86e95e37823f66e12d251bca1c4803de7c7d94;hpb=d74025a34e7589fcc0ba93b878cd6484108f9088

diff --git a/src/search.h b/src/search.h
index 677ad055..1940c1b5 100644
--- a/src/search.h
+++ b/src/search.h
@@ -35,7 +35,7 @@
 ////
 
 const int PLY_MAX = 100;
-const int PLY_MAX_PLUS_2 = 102;
+const int PLY_MAX_PLUS_2 = PLY_MAX + 2;
 
 
 ////
@@ -66,11 +66,12 @@ struct SearchStack {
 ////
 //// Prototypes
 ////
+class Position;
 
 extern void init_search();
 extern void init_threads();
 extern void exit_threads();
-extern int perft(Position& pos, Depth depth);
+extern int64_t perft(Position& pos, Depth depth);
 extern bool think(Position& pos, bool infinite, bool ponder, int time[], int increment[],
                   int movesToGo, int maxDepth, int maxNodes, int maxTime, Move searchMoves[]);