2-2 HelloWorld_cmake工程结构
1. WSL2
远程调试环境.本地虚拟机。
2. gitignore 文件配置
[04:56](file:///J:/%5C%E6%95%99%E8%82%B2%E8%A7%86%E9%A2%91%5CC%E8%AF%AD%E8%A8%80%E7%B3%BB%E7%BB%9F%E5%8C%96%E7%B2%BE%E8%AE%B2(%E9%87%8D%E5%A1%91%E4%BD%A0%E7%9A%84%E7%BC%96%E7%A8%8B%E6%80%9D%E6%83%B3,%E6%89%93%E9%80%A0%E5%9D%9A%E5%AE%9E%E7%9A%84%E5%BC%80%E5%8F%91%E5%9F%BA%E7%A1%80)%5C%E7%AC%AC2%E7%AB%A0_C%E8%AF%AD%E8%A8%80%E5%BF%85%E5%A4%87%E5%9F%BA%E7%A1%804%5C2-2-HelloWorld_cmake%E5%B7%A5%E7%A8%8B%E7%BB%93%E6%9E%84.mp4#t=296.268042)
cmake-build-*
build
.idea
*.iml
C语言标准的不同
1. C90
for ( int i = 0; i < 5 ; ++i)
[07:10](file:///J:/%5C%E6%95%99%E8%82%B2%E8%A7%86%E9%A2%91%5CC%E8%AF%AD%E8%A8%80%E7%B3%BB%E7%BB%9F%E5%8C%96%E7%B2%BE%E8%AE%B2(%E9%87%8D%E5%A1%91%E4%BD%A0%E7%9A%84%E7%BC%96%E7%A8%8B%E6%80%9D%E6%83%B3,%E6%89%93%E9%80%A0%E5%9D%9A%E5%AE%9E%E7%9A%84%E5%BC%80%E5%8F%91%E5%9F%BA%E7%A1%80)%5C%E7%AC%AC2%E7%AB%A0_C%E8%AF%AD%E8%A8%80%E5%BF%85%E5%A4%87%E5%9F%BA%E7%A1%804%5C2-2-HelloWorld_cmake%E5%B7%A5%E7%A8%8B%E7%BB%93%E6%9E%84.mp4#t=430.580179)
C90 不支持在for 循环里面声明变量。