说明：  程序] 文本文件和二进制文件读写 --C语言 /* 程序说明: 实现对账户信息的添删查改操作 从一个文本文件 data.txt 读取数据,然后写入一个二进制文件 credit.bf 文件中 */
(Procedures] text files and binary files read and write C language/* description of the procedures: the realization of the account information of Tim censored search operation to a text file data.txt from the read data, and then write a binary file credit.bf file* /)