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  1. #include <stdint.h>
  2. #include <stdio.h>
  3. #include <ctype.h>
  4.  
  5. int main() {
  6.  
  7. 	char features[] = "0000000000b7011c0200000000000000";
  8.  
  9. 	uint8_t features_bytes[16];
  10. 	char * p  = features;
  11. 	uint8_t i = 0;
  12.  
  13. 	while ( *p )
  14. 	{
  15. 		*p      = toupper( *p );
  16. 		*(p+1)  = toupper( *(p+1) ); 
  17. 		uint8_t highNibble  = *p     < '9' ? *p     - '0' : *p     - '7';
  18. 		uint8_t lowNibble   = *(p+1) < '9' ? *(p+1) - '0' : *(p+1) - '7';
  19. 		features_bytes[i++] = ( highNibble << 4 ) | lowNibble;
  20.   		p += 2;
  21. 	}
  22.  
  23. 	for ( int j = 0; j < 16; j++ )
  24. 		printf( "%d\n", features_bytes[j] );
  25.  
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 2740KB
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Standard input is empty
stdout
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https://ideone.com/dRhpnh
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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