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  1. #include <stdio.h>
  2.  
  3. int number;
  4.  
  5. int doubleIt() {
  6. 	number *= 2;
  7. }
  8.  
  9. int main(void) {
  10. 	number = 3;
  11. 	doubleIt();
  12. 	printf("Doubled number is %d", number);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 2156KB
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stdin
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Standard input is empty
stdout
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Doubled number is 6
https://ideone.com/HDN7A8
Global variable double function
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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