hylong

hylong / arp_joke.c

Created September 29, 2017 07:39 — forked from fireflyc/arp_joke.c

arp欺骗

	#include <pcap.h>
	#include <stdlib.h>
	#include <libnet.h>

	#define log_error(...) fprintf(stderr, __VA_ARGS__)
	#define log_info(...) fprintf(stdout, __VA_ARGS__)
	#define FALSE (0==1)
	#define TRUE (1==1)

	typedef struct arp_joke {

hylong / 变量声明提升

Created August 28, 2013 09:25

	// 译者注：来自 Nettuts+ 的一段代码，生动的阐述了 JavaScript 中变量声明提升规则
	var myvar = 'my value';
	(function() {
	alert(myvar);// undefined
	var myvar = 'local value';
	})();