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  1. #include <stdio.h>
  2.  
  3. void cat_data( int *data1, const int *data2,int len);
  4.  
  5. int main(void)
  6. {
  7. int data1[7]={1,2};
  8. int data2[5]={5,4,5,6,7};
  9. int len1=2;
  10. int len2=5;
  11. cat_data(data1+len1,data2,5);
  12.  
  13. for (int i=0;i<7;i++)
  14. {
  15. printf("data1[%d]=%d\n",i,data1[i]);
  16. }
  17. }
  18.  
  19. void cat_data(int *data1,const int *data2,int len2)
  20. {
  21. for (int i=0; i<len2; i++)
  22. {
  23. data1[i]=data2[i];
  24. }
  25. }
Success #stdin #stdout 0s 5312KB
stdin
Standard input is empty
stdout
data1[0]=1
data1[1]=2
data1[2]=5
data1[3]=4
data1[4]=5
data1[5]=6
data1[6]=7