请教：VC6-setting-c/c++-use run-time library 各种设置有什么区别？
Single threaded
Multithreaded
Multithreaded DLL
Debug Single threaded
Debug Multithreaded
Debug Multithreaded DLL
[解决办法]
Single threaded CRT的单线程模型，早就被抛弃，后续vs版本都没有了
Multithreaded CRT多线程静态链接，单独的C运行环境
Multithreaded DLL CRT多线程动态链接，共享的C运行环境
[解决办法]
