e:\users\white painted\documents\visual studio 2015\projects\consd\consd\tree.cpp(2): warning C4627: “#include ”: 在查找预编译头使用时跳过
1> e:\users\white painted\documents\visual studio 2015\projects\consd\consd\tree.cpp(2): note: 将指令添加到“stdafx.h”或重新生成预编译头
1>e:\users\white painted\documents\visual studio 2015\projects\consd\consd\tree.cpp(173): error C3861: “strcmp”: 找不到标识符
1>e:\users\white painted\documents\visual studio 2015\projects\consd\consd\tree.cpp(176): error C3861: “strcmp”: 找不到标识符
1>e:\users\white painted\documents\visual studio 2015\projects\consd\consd\tree.cpp(186): error C3861: “strcmp”: 找不到标识符
1>e:\users\white painted\documents\visual studio 2015\projects\consd\consd\tree.cpp(189): error C3861: “strcmp”: 找不到标识符
vs2015默认不安装c++桌面环境的组件，你需要运行安装程序，勾选对应的组件。
参考这个图勾选
http://blogs.msdn.com/b/c/archive/2015/07/28/c-visual-studio-2015.aspx