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Lesson 8 - Person database in C - Creating persons and application menu

In the previous lesson, Person database in C - The linked list module, we prepared a module with a linked list for a person database program. In today's C tutorial, we're going to implement basic list functions and the application menu.

We'll implement creating a person and adding it to the list as 2 separated functions. Sometimes, we might need to add an already existing person.

Creating a person

The function for creating a person will work similarly as the function creating the list:

PERSON *create_person()
    PERSON *p_person = (PERSON *) malloc(sizeof(PERSON));
    if (p_person == NULL)
        printf("Not enough memory to create a person.\n");
    return p_person;

The function returns a pointer to the newly created structure.


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Article description

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In this C tutorial, we'll finish the implementation of the doubly linked list, prepare a function duplicating dynamic strings and create the main module.

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Article has been written for you by David Capka
The author is a programmer, who likes web technologies and being the lead/chief article writer at He shares his knowledge with the community and is always looking to improve. He believes that anyone can do what they set their mind to.
Unicorn university David learned IT at the Unicorn University - a prestigious college providing education on IT and economics.