UNIX 6th Ed. - /usr/source/iolib/wdleng.c

   1: wdleng ()
   2: /* returns number of bits in a machine integer */
   3: /* written so kernighan can tell where he is running */
   4: {
   5: int k, leng;
   6: k = leng = 1;
   7: while (k =<< 1)
   8:     leng++;
   9: return (leng);
  10: }

Defined functions