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  1. #include <stdio.h>
  2. int *pnum;
  3. void teste() {
  4. 	printf("%d\n", *pnum);
  5. }
  6. void teste2() {
  7. 	int num = 20;
  8. 	pnum = &num;
  9. }
  10. void teste3() {
  11. 	int num = 30;
  12. 	num++;
  13. }
  14. int main() {
  15.     int num = 10;
  16.     pnum = &num;
  17.     teste();
  18.     teste2();
  19.     teste3();
  20.     teste();
  21.     return 0;
  22. }
Success #stdin #stdout 0s 2112KB
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Standard input is empty
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10
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https://ideone.com/jUYcXu
language:
C99 (gcc 8.3)
created:
9 years ago
visibility:
secret

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