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  1.   /* Shao Miller - 2012-Oct-13 */
  2.  
  3.   #include <stdio.h>
  4.  
  5.   int main(void) {
  6.       register unsigned char shift;
  7.       register unsigned char * pos;
  8.       unsigned char stream[] = { 1, 2, 3, 4 };
  9.       register unsigned char * end;
  10.  
  11.       printf("Lowest-bit first: ");
  12.  
  13.       for (
  14.           (shift = 1), (pos = stream), (end = stream + sizeof stream);
  15.           pos < end;
  16.           (shift <<= 1) ? 0 : (pos += ++shift)
  17.         ) {
  18.           printf((shift & *pos) ? "1" : "0");
  19.         }
  20.  
  21.       printf("\n");
  22.  
  23.       printf("Lowest-bit first: ");
  24.  
  25.       shift = 1;
  26.       pos = stream;
  27.       end = stream + sizeof stream;
  28.       while (pos < end) {
  29.           printf((shift & *pos) ? "1" : "0");
  30.           if (!(shift <<= 1))
  31.             pos += ++shift;
  32.         }
  33.  
  34.       printf("\n");
  35.  
  36.       return 0;
  37.     }
Success #stdin #stdout 0.01s 1676KB
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stdin
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Standard input is empty
stdout
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Lowest-bit first: 10000000010000001100000000100000
Lowest-bit first: 10000000010000001100000000100000
https://ideone.com/hqUfp
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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