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  1. #include <stdio.h>
  2.  
  3. #define __STDC_FORMAT_MACROS
  4. #include <inttypes.h>
  5.  
  6. int main(void) 
  7. {
  8. 	int i;
  9. 	unsigned char input[8] = {0x01, 0x02, 0x03, 0x04, 0x5, 0x06, 0x07, 0x08 };
  10. 	uint64_t paquet = 0;
  11. 	for( i = 7; i >= 0; --i )
  12. 	{
  13. 		paquet <<= 8;
  14. 	    paquet |= (uint64_t)input[i];
  15. 	    printf("%d: %u: %" PRIu64 "\n", i, input[i], paquet);
  16. 	}
  17.  
  18. 	printf("%" PRIu64 "\n", paquet);
  19.  
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 2248KB
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stdin
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Standard input is empty
stdout
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7: 8: 8
6: 7: 2055
5: 6: 526086
4: 5: 134678021
3: 4: 34477573380
2: 3: 8826258785283
1: 2: 2259522249032450
0: 1: 578437695752307201
578437695752307201
https://ideone.com/B1YnEH
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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