Description: C language implementation of the urban database system, using the list method, you can query, delete, add city information, and to a city as a place, it all within a certain range around the city information.
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File list (Check if you may need any files):
CityDatabaseLink\citydatabase.txt
................\CityDB.cpp
................\CityDB.h
................\Debug\showCityDB.obj
................\.....\vc60.idb
................\.....\vc60.pdb
................\.....\城市数据库.pch
................\ListManage.h
................\showCityDB.cpp
................\城市数据库.dsp
................\城市数据库.dsw
................\城市数据库.ncb
................\城市数据库.opt
................\城市数据库.plg
................\Debug
CityDatabaseLink