diff -bur LuaJIT-2.1.0-beta3-orig/src/lauxlib.h LuaJIT-2.1.0-beta3/src/lauxlib.h
--- LuaJIT-2.1.0-beta3-orig/src/lauxlib.h	2017-05-01 21:05:00.000000000 +0200
+++ LuaJIT-2.1.0-beta3/src/lauxlib.h	2017-06-16 19:12:18.325405265 +0200
@@ -92,6 +92,31 @@
 LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);
 
 
+
+/*
+** {======================================================
+** File handles for IO library
+** =======================================================
+*/
+
+/*
+** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
+** initial structure 'luaL_Stream' (it may contain other fields
+** after that initial structure).
+*/
+
+#define LUA_FILEHANDLE          "FILE*"
+
+
+typedef struct luaL_Stream {
+  FILE *f;  /* stream (NULL for incompletely created streams) */
+  lua_CFunction closef;  /* to close stream (NULL for closed streams) */
+} luaL_Stream;
+
+/* }====================================================== */
+
+
+
 /*
 ** ===============================================================
 ** some useful macros
@@ -155,6 +180,12 @@
 LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
 LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
 
+/* -- Luajittex needs this one because it's faster than make it Lua  -- */
+LUA_API int (RESERVED_lua_dump) (lua_State *L, lua_Writer writer, void *data, int strip);
+/* Luajittex needs this one because it overloads loadfile */
+LUALIB_API int (RESERVED_load_aux_JIT) (lua_State *L, int status, int envarg);
+
+
 
 /* }====================================================== */