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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1, const int *data2, int len2){
  4. 	while(*data1!=0)
  5. 	data1++;
  6. 	while(len2--)
  7. 	*data1++=*data2++;
  8.  
  9. }
  10. int main(void) {
  11. 	int data1[7]={1,2};
  12. 	int data2[5]={3,4,5,6,7};
  13. 	int len2;
  14. 	len2=sizeof(data2)/sizeof(data2[0]);
  15. 	cat_data(data1,data2,len2);
  16. 	for(int i=0; i<7; i++)
  17. 	printf("data[%d]=%d\n",i,data1[i]);
  18.  
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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data[0]=1
data[1]=2
data[2]=3
data[3]=4
data[4]=5
data[5]=6
data[6]=7
https://ideone.com/WQtacH
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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