C language : Can someone modify this code so that it become a simple call log.

So the display will have the person name and phone number.

// Demonstration of example of implement Stack with Single Linked List

#include

#include

struct node {

int data; //Data of the node

struct node *nextptr; //Address of the next node

}*HeadNode;

const int MAXSIZE = 8;

int Stack[8], top = -1;

// Remark Refer follows link for more details on "?: ternary operator;

// https://www.geeksforgeeks.org/conditional-or-ternary-operator-in-c-c/

int isempty() {return (top == -1)? 1 : 0;}

int isfull() {return (top == MAXSIZE)? 1 : 0;}

int peek() {return HeadNode->data;}

int push(int data);

void displayList();

int pop();

// Remark Refer follows link for more details on adding Color to printf() Output;

// https://www.theurbanpenguin.com/4184-2/void print_green() {printf("\033[1;32m");}

void print_green() {printf("\033[1;32m");}

void print_cyan() {printf("\033[1;36m");}

void print_reset() {printf("\033[0m");}

int main() {

int opt, data;

while(1){

printf("***Stack with Single Linked List*** ");

printf(" [1] Push ");

printf(" [2] Pop ");

printf(" [3] Peak ");

printf(" [4] Exit ");

printf("Select Operation to the Stack :> ");

scanf("%d", &opt);

switch (opt){

case 1:

printf("Input new insert data to the Stack:> ");

scanf("%d", &data);

push(data);

displayList();

break;

case 2:

if (!isempty()) printf(">: Data \"%d\" pop out Stack: ", data = pop());

else printf(":> Stack is empty. ");

displayList();

break;

case 3:

if(!isempty()) printf(">: Element at top of the Stack: %d " ,peek());

else printf(">: Stack is empty. ");

break;

case 4:

goto exitloop;

default:

printf (">: Error! No action being taken! ");

}

}

exitloop: ;

return 0;

}

int push() {

int data;

char name[50];

struct node *stNode;

if(!isfull()){

stNode = (struct node*)malloc(sizeof(struct node));

if(stNode == NULL) printf(" Memory can not be allocated.");

else {

top++;

stNode->data = data; //Links the data part

stNode->nextptr = NULL;

if(HeadNode != NULL) stNode->nextptr = HeadNode; //Links the address part

HeadNode = stNode;

}

}else printf(">: Could not insert data, Stack is full. ");

}

int pop() {

int data;

struct node *delNode;

if(!isempty()){

delNode = HeadNode;

data = delNode->data;

HeadNode = HeadNode->nextptr;

free(delNode);

top--;

return data;

} else printf(">: Could not retrieve data, Stack is empty. ");

}

void displayList(){

struct node *stNode;

print_green();

printf(">: Current data in Stack: ");

if(HeadNode == NULL) printf(" Stack is empty. ");

else {

stNode = HeadNode;

while(stNode != NULL){

printf(" Data = %d ", stNode->data); // prints the data of current node

stNode = stNode->nextptr; // advances the position of current node

}

}

print_reset();

}