C语言标准整理

https://blog.csdn.net/lu_embedded/article/details/115535432

C99

• error:unknown type name 'bool
  https://blog.csdn.net/qq_42137577/article/details/122965739
  C语言中使用bool类型，需要导入stdbool.h头文件。

• C99 designator ‘name’ outside aggregate initializer
  https://www.jianshu.com/p/5eab262615c5

C90

• ISO C90 forbids mixed declarations and code[-Wdeclaration-after-statement]
  变量不能声明在语句之后，如果要声明，得加{}号。
  https://blog.csdn.net/yanlaifan/article/details/51225795