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  1. #include <stdio.h>
  2.  
  3. struct day{
  4.   int month;
  5.   int day;
  6. }today = { 5,30 };
  7.  
  8. struct person{
  9.   char name[99];
  10.   int age;
  11.   struct day birthday;
  12. };
  13.  
  14. void func(struct person His);
  15. void printdata(const struct person His);
  16.  
  17. int main(void){
  18.   struct person ui = {"ui", 16,{ 5, 30}};
  19.  
  20.   func(ui);
  21.   func(ui);
  22.  
  23.   printdata(ui);
  24.  
  25.   return 0;
  26. }
  27.  
  28. void func(struct person His){
  29.   if(His.birthday.month==today.month && His.birthday.day==today.day)
  30.     His.age++;
  31.   today.day++;
  32. }
  33. void printdata(struct person His){
  34.   printf("今日は%d月%d日です\n", today.month , today.day );
  35.   printf("%sさんは%dさいです\n",His.name,His.age);
  36. }
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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今日は5月32日です
uiさんは16さいです
https://ideone.com/u3X6Y0
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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