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  1. #include<stdio.h>
  2.  
  3. #define SZ 3
  4.  
  5. typedef struct {
  6.     int x[SZ];
  7. } *pthrowaway;
  8.  
  9. int main(void)
  10. {
  11.     int A[SZ]={1,2,3};
  12.     int B[4][SZ]={0};
  13.     int row_select=2;
  14.  
  15.     int i, j;
  16.  
  17.     for(i = 0; i < 4; i++) {
  18.         for(j = 0; j < SZ; j++) {
  19.             printf("%d ", B[i][j]);
  20.         }
  21.         printf("\n");
  22.     }
  23.  
  24.     *(pthrowaway)&B[row_select] = *(pthrowaway)&A;
  25.  
  26.      for(i = 0; i < 4; i++) {
  27.         for(j = 0; j < SZ; j++) {
  28.             printf("%d ", B[i][j]);
  29.         }
  30.         printf("\n");
  31.     }
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 0s 9424KB
comments (?)
stdin 
Standard input is empty
stdout 
0 0 0 
0 0 0 
0 0 0 
0 0 0 
0 0 0 
0 0 0 
1 2 3 
0 0 0
https://ideone.com/pH1hS2
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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