/*?capture_packet.c?-?截獲所有以太網幀數據并進行具體分析?*/

/*?常用函數的頭文件???*/
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/*?與網絡相關的頭文件?*/
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/*?全局變量結構的結構體原型?-?包含要記錄的任何全局信息?*/
struct?global_info?{
	unsigned?int?bytes;		/*?網卡接收的總字節數?????*/
	unsigned?int?packet_num;????????/*?網卡接受的幀的總數量???