用winsock编写的端口扫描器，支持多线程和两种扫描方式SYN和ping，附有详细文档.-with winsock prepared by the port scanners, support for multithreading and two SYN scanning and ping, with detailed documentation.

端口扫描程序，多线程，windows下c语言编写。 给定目标ip地址和待扫描的端口范围，运行程序可显示开放端口号。-Port scanning procedures, multithreading, c language to write under Windows. A given target IP address and port range scanning, run the program can display open port.