1 files changed, 8 insertions, 0 deletions
diff --git a/src/hash/metrohash.h b/src/hash/metrohash.h
index 30dabb2..8c9ebea 100644
--- a/src/hash/metrohash.h
+++ b/src/hash/metrohash.h
@@ -1,4 +1,12 @@
 #include "../lua.h"
+#include <stdint.h>
+
+enum metrohash_version {
+    v1, v2
+};
+
+uint64_t metrohash64(uint8_t* in, size_t len, uint32_t seed, enum metrohash_version v);
+void metrohash128(uint8_t* in, size_t len, uint32_t seed, uint64_t *a, uint64_t *b, enum metrohash_version ver);
 
 int l_metrohash64_v1(lua_State*);
 int l_metrohash64_v2(lua_State*);