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  1. #include <stdio.h>
  2. // int a[64] = {0};
  3. int a = 9;
  4. void fun1(int *rx_len)
  5. {
  6. 	// static int a = 9;
  7. 	rx_len = &a;
  8. 	//*rx_len = 9;
  9. 	printf("a = %d, rx_len = %d, rx_addr = %p, a_addr = %p\n",a,*rx_len, rx_len,&a);
  10. }
  11. int main(void) {
  12. 	// your code goes here
  13. 	// printf("%d\n",sizeof(a));
  14. 	int len = 0;
  15. 	fun1(&len);
  16. 	printf("len = %d\n",len);
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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a = 9, rx_len = 9, rx_addr = 0x55efddd80010, a_addr = 0x55efddd80010
len = 0
https://ideone.com/peuD90
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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