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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1,const int *data2,int len2){
  4. for(int i=0;i<len2;i++){
  5. data1[i+2]=data2[i];
  6. }
  7. }
  8.  
  9. int main(){
  10. int data1[7]={1,2,0,0,0,0,0};
  11. int data2[5]={3,4,5,6,7};
  12. int len2=sizeof(data2);
  13.  
  14. void cat_data(int *data1,const int *data2,int len2);
  15.  
  16. for(int i=0;i<len2;i++){
  17. printf("data1[%d]=%p",i,data1);
  18. }
  19.  
  20. return 0;
  21. }
  22.  
Success #stdin #stdout 0.01s 5288KB
stdin
Standard input is empty
stdout
data1[0]=0x7ffdae5e8510data1[1]=0x7ffdae5e8510data1[2]=0x7ffdae5e8510data1[3]=0x7ffdae5e8510data1[4]=0x7ffdae5e8510data1[5]=0x7ffdae5e8510data1[6]=0x7ffdae5e8510data1[7]=0x7ffdae5e8510data1[8]=0x7ffdae5e8510data1[9]=0x7ffdae5e8510data1[10]=0x7ffdae5e8510data1[11]=0x7ffdae5e8510data1[12]=0x7ffdae5e8510data1[13]=0x7ffdae5e8510data1[14]=0x7ffdae5e8510data1[15]=0x7ffdae5e8510data1[16]=0x7ffdae5e8510data1[17]=0x7ffdae5e8510data1[18]=0x7ffdae5e8510data1[19]=0x7ffdae5e8510