1  typedef unsigned long uint32;
       2  typedef signed long sint32;
       3  
       4  uint32
       5  ext (sint32 src, unsigned o5, unsigned w5)
       6  {
       7    return (w5 == 0) ? src >> o5 : (src << (( - o5 - w5) & 31)) >> (32 - w5);
       8  }
       9  
      10  uint32
      11  extu (uint32 src, unsigned o5, unsigned w5)
      12  {
      13    return (w5 == 0) ? src >> o5 : (src << (( - o5 - w5) & 31)) >> (32 - w5);
      14  }
      15  
      16  uint32
      17  mak (uint32 src, unsigned o5, unsigned w5)
      18  {
      19    return (w5 == 0) ? src << o5 : (src << (32 - w5)) >> (( - o5 - w5) & 31);
      20  }
      21  
      22  uint32
      23  rot (uint32 src, unsigned o5)
      24  {
      25    return (src >> o5) | (src << (( - o5) & 31));
      26  }
      27  
      28  main (int argc, char **argv)
      29  {
      30    printf ("%x\n", clr (0xffffffff, atoi (argv[2]), atoi (argv[1])));
      31  }