text: //
  //  UnionClass.h
  //  day09
  //
  //  Created by waitwalker on 2021/5/18.
  //
  
  #ifndef UnionClass_h
  #define UnionClass_h
  
  #include <stdio.h>
  
  /// 共用体操作
  void unionOPeration(void);
  
  #endif /* UnionClass_h */
  