C++的一个好库。。。现在很流行

				/* Copyright David Abrahams 2003. Distributed under the Boost */
				/* Software License, Version 1.0. (See accompanying */
				/* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) */
				
				#ifndef NATIVE_H_VP_2003_12_09
				#define NATIVE_H_VP_2003_12_09
				
				#include "rules.h"
				
				struct native_rule_t
				{
				    char* name;
				    argument_list* arguments;
				    PARSE* procedure;
				};
				
				/* MSVC debugger gets confused unless this is provided */
				typedef struct native_rule_t native_rule_t ; 
				
				void declare_native_rule(char* module, char* rule, char** args, 
				                         LIST*(*f)(PARSE*, FRAME*));
				
				
				
				#endif