static int countZeros ( int x ) {
  int total_bits = sizeofInt * 8 ;
  int res = 0 ;
  while ( ( x & ( 1 << ( total_bits - 1 ) ) ) == 0 ) {
    x = ( x << 1 ) ;
    res ++ ;
  }
  return res ;
}

static int countZeros ( int x ) { int total_bits = sizeofInt * 8 ; int res = 0 ; while ( ( x & ( 1 << ( total_bits - 1 ) ) ) == 0 ) { x = ( x << 1 ) ; res ++ ; } return res ; }
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