help.c

#include <stdio.h>
#include<stdlib.h>
#pragma warning (disable:4996)
#include <string.h>
typedef struct id
{
    char fullName[20];
    char igUserName[20];
    char birthday[12];
}personal;
typedef struct no {
    personal key;
    struct no *next;
    struct no *perv;
}node;
typedef struct List {
    node *head;
}list;
node * createNude(personal data)
{
    node *temp = (node*)malloc(sizeof(node));
    temp->key = data;
    temp->next = NULL;
    temp->perv = NULL;
    return temp;
}
list * createList()
{
    list *temp = (list*)malloc(sizeof(list));
    temp->head = NULL;
    return temp;
}
void insertToList(list *list1, node *pervNode, node *newNode)
{
    if (list1->head != NULL)
    {
        if (pervNode == NULL)
        {
            list1->head->next = newNode;
            newNode->next = list1->head;
            newNode->perv = NULL;
            list1->head = newNode;
        }
        else
        {
            newNode->perv = pervNode;
            newNode->next = pervNode->next;
            pervNode->next = newNode;
            if (newNode->next != NULL)
                newNode->next->perv = newNode;

        }
    }
    else
        list1->head = newNode;
}
void removeFromList(list * list, node * node_to_remove)
{
    node *  prev_node;
    node *  next_node;

    if (list->head != NULL)
    {

        if (node_to_remove == list->head)
        {
            list->head = list->head->next;
        }
        else
        {
            prev_node = node_to_remove->perv;
            next_node = node_to_remove->next;

            prev_node->next = next_node;
            if (next_node != NULL)
            {
                next_node->perv = prev_node;
            }

        }
        free(node_to_remove);
    }
}
void printStruct(personal  *pr)
{
    printf("Name: %s.\n",pr->fullName);
    printf("Birthday: %s\n", pr->birthday);
    printf("Instagram user name:%s\n", pr->igUserName);
}
void print_list(node * head)
{
    int i = 1;
    personal *printg;
    printf("The list: \n");
    while (head != NULL)
    {
        printf("Number %d: ", i);
        printg = &(head->key);
        printStruct(printg);
        head = head->next;
        i++;
    }
    printf("That's it for now\n");

}
void insertToStruct(personal *stru, char birth[], char name[], char ig[])
{
    strcpy(stru->birthday, birth);
    strcpy(stru->fullName, name);
    strcpy(stru->igUserName, ig);
}
void main()
{
    char birth1[] = "17.05.1995",birth2[]="01.08.1988";
    char fullName1[] = "Adina payaya", fullName2[] = "Stephanie fran";
    char igUserName1[] = "adpaya", igUserName2[] = "stefran";
    list *listOfAll = createList();
    personal *first, *second;
    first = (personal*)malloc(sizeof(personal));
    second= (personal*)malloc(sizeof(personal));
    insertToStruct(first, birth1, fullName1, igUserName1);
    insertToStruct(second, birth2, fullName2, igUserName2);
    insertToList(listOfAll, NULL, creatNude(first));
    insertToList(listOfAll, NULL, creatNude(second));
    print_list(listOfAll->head);
}