#include <stdio.h>
#include <stdlib.h>

// declaration of node
struct _Node_
{
char data_string;
struct _Node_ *next;
};
int main() {
//a simple linked list with 3 Nodes, Create Nodes
struct _Node_* head = NULL;
struct _Node_* second = NULL;
struct _Node_* third = NULL;

//allocate 3 Nodes in the heap
head = (struct _Node_*)malloc(sizeof(struct _Node_));
second = (struct _Node_*)malloc(sizeof(struct _Node_));
third = (struct _Node_*)malloc(sizeof(struct _Node_));

// assign data for head
head->data_string = 'H';      //assign value according struct
head->next = second;          //points to the next node

// assign data for second
second->data_string = 'E';
second->next = third;

third->data_string = 'Y';
third->next = NULL;

return 0;
}

/* Linked list _Node_

       head         second           third
         |            |                |
         |            |                |
    +---+---+     +---+---+       +----+------+
    | 1 | o-----> |  2| o-------> |  3 | NULL |
    +---+---+     +---+---+       +----+------+

  */

char name1[] = "Joe";
char name2[] = "Eve";
char name3[] = "Brad";

/* Linked list _Node_

       head            second              third
         |               |                   |
         |               |                   |
    +-----+---+     +-------+---+     +-------+------+
    | Joe | o-----> |  Eve  | o-----> |  Brad | NULL |
    +-----+---+     +-------+---+     +-------+------+

  */

...

struct _Node_
{
char data_string[8];
struct _Node_ *next;
};

...

...

char name1[] = "Joe";
char name2[] = "Eve";
char name3[] = "Brad";

// assign data for head
head->data_string = name1;      //assign value according struct
head->next = second;          //points to the next node

// assign data for second
second->data_string = name2;
second->next = third;

third->data_string = name3;
third->next = NULL;

...

stack_overflow.c:27:23: error: array type 'char [8]' is not assignable
head->data_string = name1;      //assign value according struct
~~~~~~~~~~~~~~~~~ ^
stack_overflow.c:31:25: error: array type 'char [8]' is not assignable
second->data_string = name2;
~~~~~~~~~~~~~~~~~~~ ^
stack_overflow.c:34:24: error: array type 'char [8]' is not assignable
third->data_string = name3;
~~~~~~~~~~~~~~~~~~ ^
3 errors generated.