comefrom: <qiyuangong>007_Reverse_Integer_1.java
code: public int reverse(int x) {
          if (x == 0) return 0;
          long res = 0;
          while (x != 0) {
              res = res * 10 + x % 10;
              if (res > Integer.MAX_VALUE || res < Integer.MIN_VALUE)
                  return 0;
              x /= 10;
          }
          return (int) res;
      }
masked: public int sample_funcname ( int var_0 ) {
    if ( var_0 == 0 ) return 0 ;
    long var_1 = 0 ;
    while ( var_0 != 0 ) {
      var_1 = var_1 * 10 + var_0 % 10 ;
      if ( var_1 > Integer . MAX_VALUE || var_1 < Integer . MIN_VALUE ) return 0 ;
      var_0 /= 10 ;
    }
    return ( int ) var_1 ;
  }
  