Function            bitrevw - bit reverse a word

  Syntax              unsigned char bitrevw(unsigned int value);

  Prototype in        mathhk.h

  Remarks             bitrevw() will reverse the bits in the word value.

  Return value        returns the reversed word.

  See also            bitrevb(), bitrevl()

  Example             #include <mathhk.h>

                      main()
                      {
                           printf("0x0001 reversed => 0x%04X\n",
                                  bitrevb(0x0001));
                      }

  Program output      0x0001 reversed => 0x8000