一牛人提供的VC++端口直接存取库，可实现对PC并口的各种操作，附件包括动态链接库、导入库、头文件以及一个实例程序。-Cattle provided a VC++ Port direct access to libraries, can be realized on the PC parallel port of a variety of operations, the annex, including dynamic link library, import library, header f