error C4996: 'getcwd': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _getcwd. See online help for details. c:users12968desktop estapp estapp estapp.c

解决办法：

属性》C/C++》预处理器定义》分别输入：

　　_CRT_SECURE_NO_WARNINGS

　　_CRT_SECURE_NO_DEPRECATE

》保存退出即可