}

            bufferIndex += e.getNextEntryOffset();
        }

        setResults(results);

        /*
         * last nextEntryOffset for NT 4(but not 98) is 0 so we must
         * use dataCount or our accounting will report an error for NT :~(
         */
        return getDataCount();
    }

    @Override
    public String toString() {
        String c;

        boolean isNT = false;
        if (isWindows) {
            // there are only four 9x platforms that we look for
            is9x = (actualOsName.contains("95")
                    || actualOsName.contains("98")
                    || actualOsName.contains("me")
                    // wince isn't really 9x, but crippled enough to
                    // be a muchness. Maven doesnt run on CE, anyway.

          k2 ^= (long) toUnsignedInt(bb.get(11)) << 24; // fall through
        case 11:
          k2 ^= (long) toUnsignedInt(bb.get(10)) << 16; // fall through
        case 10:
          k2 ^= (long) toUnsignedInt(bb.get(9)) << 8; // fall through
        case 9:
          k2 ^= (long) toUnsignedInt(bb.get(8)); // fall through
        case 8:
          k1 ^= bb.getLong();
          break;
        case 7:

                lastName = e.filename;
                resumeKey = e.fileIndex;
            }

            bufferIndex += e.nextEntryOffset;
        }

        /* last nextEntryOffset for NT 4(but not 98) is 0 so we must
         * use dataCount or our accounting will report an error for NT :~(
         */

        //return bufferIndex - start;

        return dataCount;
    }

    @Override

</div>

////

当学习[虚拟环境](virtual-environments.md)时，这些信息将会很有用。

## 结论

通过这个教程，你应该对**环境变量**是什么以及如何在 Python 中使用它们有了基本的了解。

你也可以在<a href="https://zh.wikipedia.org/wiki/%E7%8E%AF%E5%A2%83%E5%8F%98%E9%87%8F" class="external-link" target="_blank">环境变量 - 维基百科</a> (<a href="https://en.wikipedia.org/wiki/Environment_variable" class="external-link" target="_blank">Wikipedia for Environment Variable</a>) 中了解更多关于它们的信息。

</div>

////

當學習[虛擬環境](virtual-environments.md)時，這些資訊將會很有用。

## 結論

透過這個教學，你應該對**環境變數**是什麼以及如何在 Python 中使用它們有了基本的了解。

你也可以在<a href="https://zh.wikipedia.org/wiki/%E7%8E%AF%E5%A2%83%E5%8F%98%E9%87%8F" class="external-link" target="_blank">環境變數 - 維基百科</a> (<a href="https://en.wikipedia.org/wiki/Environment_variable" class="external-link" target="_blank">Wikipedia for Environment Variable</a>) 中了解更多關於它們的資訊。