fork download
copy 
  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. struct foo2 {
  5. 	char data[7][7];
  6. 	int no;
  7. } f2;
  8.  
  9. int main (void){
  10. 	printf("size of f2 : %zu\nsize of int : %zu\n", sizeof f2, sizeof(int));
  11. 	struct foo2 a, b;
  12. 	memset(&a, 0, sizeof(a));
  13. 	memset(&b, -1, sizeof(b));
  14. 	b.no = 0x11111111;
  15. 	a = b;
  16.  
  17. 	unsigned char *p = (void *)&a;
  18. 	for(size_t i = 0; i < sizeof a; ++i){
  19. 		printf("%02x ", *p++);
  20. 		if((i + 1) % 7 == 0)puts("");
  21. 	}
  22. 	puts("");
  23.  
  24. }
Success #stdin #stdout 0s 2168KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
size of f2 : 56
size of int : 4
ff ff ff ff ff ff ff 
ff ff ff ff ff ff ff 
ff ff ff ff ff ff ff 
ff ff ff ff ff ff ff 
ff ff ff ff ff ff ff 
ff ff ff ff ff ff ff 
ff ff ff ff ff ff ff 
ff ff ff 11 11 11 11
https://ideone.com/cwamCF
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!