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Text File  |  1979-12-31  |  256b  |  10 lines
  1.  
  2. getbits(x, p, n)        /* get n bots from position p */
  3. unsigned     x,
  4.         p,
  5.         n;
  6.  
  7.     {
  8.     return((x >> (p+1-n)) & ~(~0 << n));
  9.     }
  10.