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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1,const int*data2,int len2){
  4. 	int *p=data1;
  5. 	while(*p!=0){
  6. 		p++;
  7. 	}
  8.  
  9. 	for(int i=0;i<len2;i++){	
  10. 		*(p+i)=data2[i];
  11. 		}
  12. }
  13.  
  14. int main(void) {
  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. 	cat_data(data1,data2,len2);
  20.  
  21. 	for(int i=0;i<7;i++){
  22. 		printf("data1[%d]=%d\n",i,data1[i]);
  23. 	}
  24.  
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0s 5332KB
comments (?)
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
https://ideone.com/zyIHTA
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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