Title: SMS Thru GSM Modem Descr iption: I wrote this program for testing my Wavecom Modem which was used to collect data for Power Meters. As doing this was fun, I thought that other having similar modems can use this code for sending and receiving

实现以下功能： 1) 通讯录编辑（添加、删除）； 2) 按不同的项进行查找； 3) 对已存在的通讯录按不同的项排序； 4) 将通讯录写入文件； 5) 从文件读入通讯录。 备注：通讯录至少应该有以下数据项：姓名，地址，电话，邮编，E-mail。 -To achieve the following functions: 1) Contacts edit (add, delete) 2) according to the different items to