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  1. #include <stdio.h>
  2. #include <stdint.h>
  3.  
  4. typedef struct { uint8_t arr[10]; } S_big_integer_container;
  5. void decimal_binary( S_big_integer_container bigUInt, char *output[81] );
  6.  
  7. int main(void)
  8. {
  9. 	S_big_integer_container biggie;
  10. 	uint32_t i;
  11. 	char oBuf[81];
  12. 	char *op = oBuf;
  13. 	for ( i=0u; i<10; i++ )
  14. 	{
  15. 		biggie.arr[i] = 0x81u;
  16. 	}
  17. 	decimal_binary(biggie, &op);
  18. 	printf("Big binary number: %s\n",oBuf);
  19. 	return 0;
  20. }
  21.  
  22. void decimal_binary( S_big_integer_container bigUInt, char *output[81] )
  23. {
  24.     uint32_t i, j;
  25.     uint32_t iOut = 0u;
  26.     for ( i=0u; i<10u; i++ )
  27.     {
  28.         for ( j=0u; j<8u; j++)
  29.         {
  30.             char o = ( bigUInt.arr[i] & (0x80u >> j) ) ? '1' : '0';
  31.             (*output)[iOut++] = o;
  32.         }
  33.     }
  34.     (*output)[80] = '\0';
  35. }
  36.  
Success #stdin #stdout 0s 2156KB
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stdin
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Standard input is empty
stdout
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Big binary number: 10000001100000011000000110000001100000011000000110000001100000011000000110000001
https://ideone.com/OVusx0
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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