定义源地址 char tgtIP[20] = //定义目的地址 int portNow //定义正在扫描的端口 -definition of the source address tgtIP char [20] = / / int definition destination address portNow / / definition is the port scan

彩色电视机隔行扫描原理，plot程序实现隔行扫描，简单实用-Principles of color television interlacing