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  1. /** Call by address */
  2. #include <stdio.h>
  3. void swap(char **s, char **p) {
  4. 	char *t = *p;
  5. 	*p = *s;
  6. 	*s = t;
  7. }
  8. int main() {
  9. 	char *one = "First", *two = "Second";
  10. 	swap(&one, &two);
  11. 	printf("%s %s\n", one, two);
  12. }
  13.  
  14. /** Call by reference */
  15. /*#include <stdio.h>
  16. void swap(char *&s, char *&p) {
  17. 	char *t = s;
  18. 	s = p;
  19. 	p = t;
  20. }
  21. int main() {
  22. 	char *one = "First", *two = "Second";
  23. 	swap(one, two);
  24. 	printf("%s %s\n", one, two);
  25. }*/
Success #stdin #stdout 0s 3340KB
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Second First
https://ideone.com/JlvBk5
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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