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  1. #include <stdio.h>
  2.  
  3. void swap_pointer(int *pp[]);
  4.  
  5. int main(void) {
  6. 	int a = 1;
  7. 	int b = 2;
  8. 	int *p[2],i;
  9.  
  10. 	p[0] = &a;
  11. 	p[1] = &b;
  12.  
  13. 	for(i = 0;i < 2;i ++){
  14. 		printf("p[%d]=%d\n",i,*p[i]);
  15. 	}
  16.  
  17. 	swap_pointer(p);
  18.  
  19. 	for(i = 0;i < 2;i ++){
  20. 		printf("p[%d]=%d\n",i,*p[i]);
  21. 	}
  22.  
  23. 	return 0;
  24. }
  25.  
  26. void swap_pointer(int *pp[]){
  27.  
  28. 	int *temp;
  29.  
  30. 	temp = pp[0];
  31. 	pp[0] = pp[1];
  32. 	pp[1] = temp;
  33.  
  34. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
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Standard input is empty
stdout
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p[0]=1
p[1]=2
p[0]=2
p[1]=1
https://ideone.com/S0kAjM
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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