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  1. #include <stdio.h>
  2.  
  3. /*
  4. 	値渡しと参照渡し
  5. */
  6.  
  7. /* 値渡し */
  8. void func1(int a) {
  9. 	a = 789;
  10. }
  11.  
  12. /* 参照渡し */
  13. void func2(int a[]) {
  14. 	a[1] = 1000;
  15. }
  16.  
  17. int main(void) {
  18. 	int a = 123;
  19. 	int b[] = {1,2,3,4,5};
  20.  
  21. 	func1(a);
  22. 	printf("after call func1：%d\n", a);
  23.  
  24. 	func2(b);
  25. 	for(int i=0; i<5; i++)
  26. 	printf("%d ", b[i]);
  27. 	return 0;
  28. }
  29.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
after call func1：123
1 1000 3 4 5
https://ideone.com/zWyqc0
language:
C (gcc 8.3)
created:
134 days ago
visibility:
public

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