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**                                                                           **
* * * * * Scan(S) * * * * Edit(E) * * * *  Inqurie(I) * * * * Quit(Q) * * * * *
**                                                                           **
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*                                                                             *
*                                                                             *
*                                                                             *
*                  1    Addarc                                                *
*                                                                             *
*                  2   Deletearc                                              *
*                                                                             *
*                  3   Addvex                                                 *
*                                                                             *
*                  4   Deletevex                                              *
*                                                                             *
*                                                                             *
*                                                                             *
*                                                                             *
*                                                                             *
*                                                                             *
*   This is a free software copyright for anybody                             *
*             Welcome to contact with me by e-mail:                           *
*                            tang.fengsheng@163.com                           *
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