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  1. #include <stdio.h>
  2.  
  3. int a;
  4.  
  5. void point(int *p) {
  6. 	a = 5;
  7. 	*p = a;
  8. }
  9.  
  10.  
  11. int main(void) {
  12. 	int *p1, p2;
  13.  
  14. 	point(p1);  printf("p1 %d - a %d\n", *p1, a);
  15. 	a = 6;  	printf("p1 %d - a %d\n", *p1, a);
  16. 	*p1 = 8; 	printf("p1 %d - a %d\n", *p1, a);
  17.  
  18. 	a = 5;
  19.  
  20. 	point(&p2); printf("p2 %d - a %d\n", p2, a);
  21. 	a = 6;  	printf("p2 %d - a %d\n", p2, a);
  22. 	p2 = 8; 	printf("p2 %d - a %d\n", p2, a);
  23.  
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0s 2112KB
comments (?)
stdin
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Standard input is empty
stdout
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p1 5 - a 5
p1 5 - a 6
p1 8 - a 6
p2 5 - a 5
p2 5 - a 6
p2 8 - a 6
https://ideone.com/RHHYKs
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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