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  1. #include<stdio.h>
  2.  
  3. typedef struct{
  4.     int a[5];
  5. }Data;
  6.  
  7. void check_array(Data data);
  8.  
  9. int main(void)
  10. {
  11.     Data data={0,1,2,3,4};
  12.  
  13.     printf("before\n");
  14.     for(int i=0;i<5;i++){
  15.         printf("%2d",data.a[i]);
  16.     }
  17.     printf("\n");
  18.  
  19.     check_array(data);
  20.  
  21.     printf("after\n");
  22.     for(int i=0;i<5;i++){
  23.         printf("%2d",data.a[i]);
  24.     }
  25.     printf("\n");
  26.  
  27.     return 0;
  28. }
  29.  
  30. void check_array(Data data)
  31. {
  32.     data.a[0]=1;
  33. }
  34.  
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
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Standard input is empty
stdout
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before
 0 1 2 3 4
after
 0 1 2 3 4
https://ideone.com/kix8Tm
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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