1 files changed, 1 insertions, 0 deletions

diff --git a/src/lauxlib.h b/src/lauxlib.h
index a8280c20..1ca0d74f 100644
--- a/src/lauxlib.h
+++ b/src/lauxlib.h
@@ -88,6 +88,7 @@ LUALIB_API void luaL_traceback (lua_State *L, lua_State *L1, const char *msg,
 LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);
 LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
                                    int sizehint);
+LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
 
 
 /*