Phonebook in C with Source Code

Create and Maintain Telephone Directories. Write a program to create and maintain telephone directories. Each directory will be a separate sequential file. The following command buttons should be available: (a) Select a directory to access. A list of directories that have been created should be stored in a separate sequential file. When a request is made to open a directory, the list of available directories should be displayed as part of an InputBox prompt requesting the name of the directory t