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  1. #include <stdio.h>
  2.  
  3. void swap_pointer(int *pp[]);
  4.  
  5. int main(void){
  6. 	int a = 0;
  7. 	int b = 1;
  8.  
  9. 	int *p[2] = {&a, &b};
  10. 	int size = sizeof(p) / sizeof(p[0]);
  11.  
  12. 	for(int i = 0; i < size; i++){
  13. 		printf("mae p[%d] : %p\n", i, p[i]);
  14. 	}
  15.  
  16. 	swap_pointer( p );
  17.  
  18. 	for(int i = 0; i < size; i++){
  19. 		printf("ato p[%d] : %p\n", i, p[i]);
  20. 	}
  21.  
  22. 	return 0;
  23. }
  24.  
  25. void swap_pointer(int *pp[]){
  26. 	int *ori;
  27. 	ori = pp[0];
  28. 	pp[0] = pp[1];
  29. 	pp[1] = ori;
  30. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
mae p[0] : 0x7ffc4337cc20
mae p[1] : 0x7ffc4337cc24
ato p[0] : 0x7ffc4337cc24
ato p[1] : 0x7ffc4337cc20
https://ideone.com/HBlfE6
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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