C++：默认include位置包含文件的默认位置
C:\Program Files (x86)\Dev-Cpp\MinGW64\include
C:\Program Files (x86)\Dev-Cpp\MinGW64\x86_64-w64-mingw32\include
C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.8.1\include
C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.8.1\include\c++
C语言：默认include位置包含文件的默认位置
C:\Program Files (x86)\Dev-Cpp\MinGW64\include
C:\Program Files (x86)\Dev-Cpp\MinGW64\x86_64-w64-mingw32\include
C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.8.1\include