1 files changed, 10 insertions, 1 deletions

diff --git a/src/lua.h b/src/lua.h
index c83fd3bb..850bd796 100644
--- a/src/lua.h
+++ b/src/lua.h
@@ -39,7 +39,8 @@
 #define lua_upvalueindex(i)     (LUA_GLOBALSINDEX-(i))
 
 
-/* thread status; 0 is OK */
+/* thread status */
+#define LUA_OK          0
 #define LUA_YIELD       1
 #define LUA_ERRRUN      2
 #define LUA_ERRSYNTAX   3
@@ -226,6 +227,7 @@ LUA_API int  (lua_status) (lua_State *L);
 #define LUA_GCSTEP              5
 #define LUA_GCSETPAUSE          6
 #define LUA_GCSETSTEPMUL        7
+#define LUA_GCISRUNNING         9
 
 LUA_API int (lua_gc) (lua_State *L, int what, int data);
 
@@ -346,6 +348,13 @@ LUA_API void *lua_upvalueid (lua_State *L, int idx, int n);
 LUA_API void lua_upvaluejoin (lua_State *L, int idx1, int n1, int idx2, int n2);
 LUA_API int lua_loadx (lua_State *L, lua_Reader reader, void *dt,
                        const char *chunkname, const char *mode);
+LUA_API const lua_Number *lua_version (lua_State *L);
+LUA_API void lua_copy (lua_State *L, int fromidx, int toidx);
+LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *isnum);
+LUA_API lua_Integer lua_tointegerx (lua_State *L, int idx, int *isnum);
+
+/* From Lua 5.3. */
+LUA_API int lua_isyieldable (lua_State *L);
 
 
 struct lua_Debug {