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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1, const int *data2, int len2)
  4. {
  5. int i;
  6.  
  7.  
  8. for (i = 0;i<len2;i++) {
  9. data1[2 + i] = data2[i];
  10. }
  11. }
  12.  
  13. int main(void)
  14. {
  15. int data1[7] = {1,2};
  16. int data2[5] = {3,4,5,6,7};
  17.  
  18. int len2 = sizeof(data2) / sizeof(data2[0]);
  19.  
  20. cat_data(data1,data2,len2);
  21.  
  22. for (int i = 0;i < 7;i++) {
  23. printf("data1[%d] = %d\n",i,data1[i]);
  24. }
  25. return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5316KB
stdin
Standard input is empty
stdout
data1[0] = 1
data1[1] = 2
data1[2] = 3
data1[3] = 4
data1[4] = 5
data1[5] = 6
data1[6] = 7