Introduction - If you have any usage issues, please Google them yourself
An address book using the linear table implementation management, and communication of data recorded in the following format: struct DataType {int ID // No char name [10] // name char ch // sex char phone [13] // Phone char addr [31] // address} requirements: ? achieve the establishment of contacts, add, delete, modify, query and other functions to achieve a simple menu ? interaction, which can be based on user input commands, select a different operation. ? be able to save each update of data (selected for) ? contacts can be classified, such as the class category, friends class, black, etc. (selected for) ? writing test main () function to test the accuracy of the linear form