一个简单的信息检索系统，在数据区，初始化有9个不同的信息，编号为0-8，每个信息包括有40个字符。在这个程序里，这9个信息组成一个信息表，对信息表的查找是根据从键盘接收的编号来确定的，根据从键盘接收0-8之间的一个编号，然后在屏幕上显示出相应编号的信息内容，按“q”键退出-A simple information retrieval system in the data area, there are nine different initialization information, numbered 0-8, each information comprises 40 characters. In this program, the nine message to form a message table, the lookup table is based on information received from the keyboard to determine the number, received from the keyboard according to a number between 0-8, and displayed on the screen of the corresponding Number of information content, press " q"　key to exit