FFI: Add ffi.load() and ffi.C default namespace.

src/lj_clib.h

@@ -0,0 +1,26 @@
+/*
+** FFI C library loader.
+** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_CLIB_H
+#define _LJ_CLIB_H
+
+#include "lj_obj.h"
+
+#if LJ_HASFFI
+
+/* C library namespace. */
+typedef struct CLibrary {
+  void *handle;		/* Opaque handle for dynamic library loader. */
+  GCtab *cache;		/* Cache for resolved symbols. Anchored in ud->env. */
+} CLibrary;
+
+LJ_FUNC TValue *lj_clib_index(lua_State *L, CLibrary *cl, GCstr *name);
+LJ_FUNC void lj_clib_load(lua_State *L, GCtab *mt, GCstr *name, int global);
+LJ_FUNC void lj_clib_unload(CLibrary *cl);
+LJ_FUNC void lj_clib_default(lua_State *L, GCtab *mt);
+
+#endif
+
+#endif