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  1. #include <stdio.h>
  2.  
  3. void cat_data(int *data1,const int *data2,int len2);
  4.  
  5. int main(void) {
  6.  
  7. 	int data1[7]={1,2};
  8. 	for(int i=0; i < 2; i++){
  9. 		printf("data1[%d]=%d\n",i,data1[i]);
  10. 	}
  11.  
  12. 	printf("\n");
  13.  
  14. 	int data2[5]={3,4,5,6,7};
  15. 	for(int i=0; i < 5; i++){
  16. 		printf("data2[%d]=%d\n",i,data2[i]);
  17. 	}
  18.  
  19. 	int len2=sizeof(data2)/sizeof(data2[0]);
  20.  
  21. 	cat_data(&data1[2], data2, len2);
  22.  
  23. 	printf("\n");
  24.  
  25. 	for(int i=0; i < 7; i++){
  26. 		printf("data1[%d]=%d\n",i,data1[i]);
  27. 	}
  28. }
  29.  
  30. 	void cat_data(int *data1, const int *data2, int len2){
  31.     for(int i=0; i < len2; i++){
  32.         data1[i]=data2[i];
  33.     }
  34.  
  35.  
  36. 	return 0;
  37. }
  38.  
Success #stdin #stdout 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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data1[0]=1
data1[1]=2

data2[0]=3
data2[1]=4
data2[2]=5
data2[3]=6
data2[4]=7

data1[0]=1
data1[1]=2
data1[2]=3
data1[3]=4
data1[4]=5
data1[5]=6
data1[6]=7
https://ideone.com/1M3LIH
language:
C (gcc 8.3)
created:
21 hours ago
visibility:
public

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