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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	unsigned char *p = (1 << sizeof(char*) * 8) - 1;
  5. 	unsigned char *p2 = (1 << sizeof(char*) * 8) - 3;
  6.  
  7. 	if (((unsigned int)p & ((1 << sizeof(char*) * 8) - 1)) >= ((1 << sizeof(char*) * 8) - 2))
  8. 	{
  9. 	    printf("On if 1\n");
  10. 	}
  11.  
  12. 	if (!(((unsigned int)p2 & ((1 << sizeof(char*) * 8) - 1)) >= ((1 << sizeof(char*) * 8) - 2)))
  13. 	{
  14. 	    printf("On if 2\n");
  15. 	}
  16.  
  17. 	printf("1 %p\n", p);
  18. 	printf("2 %p\n", p2);
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5428KB
comments (?)
stdin 
Standard input is empty
stdout 
On if 1
On if 2
1 0xffffffffffffffff
2 0xfffffffffffffffd
https://ideone.com/bqgUrH
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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