I got the codes written down below- Basically- I am trying to implemen.pdf

I got the codes written down below. Basically, I am trying to implement OOP of employees and
payments with LinkedList, but when I test it, I keep getting errors like "uncleared Identifier."
Please help me with my programs.(Language: C)
The above images are the expected output and graphic illustrations of the linked lists.
Please help me debug the program and provide the correct version of the codes. DO NOT COPY
others' answers or chatGPT, and then, I'll give you an upvote.
Main:
///////////////////////////////////////////////////////////////////////////////////////////////////
#include "employee.h"
int main(){
//-----------------------------------------------------
//testCase -1
/*
EMPLOYEE e;
e.name="james";
e.id=123456;
e.next=NULL;
e.payments=NULL;
printEmployee(e);
*/
//-----------------------------------------------------
//testCase -2
/*
PAYMENT p1;
p1.date="01/01/2010";
p1.amount=150;
p1.next=NULL;
PAYMENT p2;
p2.date="01/05/2010";
p2.amount=200;
p2.next=&p1;
EMPLOYEE e;
e.name="sarah";
e.id=123456;
e.payments=&p2;
e.next=NULL;
printEmployee(e);
*/
//-----------------------------------------------------
//testCase -3

/*
addEmployee(123,"alma");
addEmployee(456,"mike");
printEmployees();
*/
//-----------------------------------------------------
//testCase -4
/*
addPayment(123,"01/02/2020",3000);
addPayment(123,"10/07/2021",5000);
printEmployees();
*/
//-----------------------------------------------------
//testCase -5
/*
addPayment(123,"01/02/2020",3000);
addPayment(123,"10/07/2021",5000);
addPayment(456,"06/03/2020",700);
addPayment(456,"07/02/2020",200);
addPayment(456,"06/04/2021",600);
printEmployees();
*/
//-----------------------------------------------------
//testCase -6
/*
addPayment(123,"01/02/2020",3000);
addPayment(123,"10/07/2021",5000);
addPayment(456,"06/03/2020",700);
addPayment(456,"07/02/2020",200);
addPayment(456,"06/04/2021",600);
deleteEmployee(123,"alma");
printEmployees();
*/
//-----------------------------------------------------
//testCase -7
/*
addPayment(123,"01/02/2020",3000);
addPayment(123,"10/07/2021",5000);
addPayment(456,"06/03/2020",700);

addPayment(456,"07/02/2020",200);
addPayment(456,"06/04/2021",600);
deleteEmployee(456,"mike");
deleteEmployee(123,"alma");
printEmployees();
*/
}
///////////////////////////////////////////////////////////////////////////////////////////////////
Constructor:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct payment{
char* date; // MM/DD/YY as text
float amount;
struct payment* next;
}PAYMENT;
typedef struct employee{
int id;
char* name;
PAYMENT* payments;
struct employee* next;
}EMPLOYEE;
void printEmployee(EMPLOYEE e);
void printEmployees();
void addEmployee(int e_id,char* e_name);
int addPayment(int e_id, char* p_date, float p_amount);
int deleteEmployee(int e_id, char* e_name);
///////////////////////////////////////////////////////////////////////////////////////////////////
These are the methods:
#include "employee.h"
#include <stdbool.h>
EMPLOYEE* list_of_employees=NULL;
void printEmployee(EMPLOYEE e){
printf("%d",e.id);
printf("%s",e.name);
while(e.payments !=NULL){

printf("%s",e.payments->date);
printf("%f",e.payments->amount);
}
e.payments = e.payments->next;
}
void addEmployee(int e_id, char* e_name){
EMPLOYEE* new_employee = (EMPLOYEE*) malloc(sizeof(EMPLOYEE));
new_employee->id = e_id;
new_employee->name = strdup(e_name);
new_employee->payments = NULL;
new_employee->next = list_of_employees;
list_of_employees = new_employee;
}
void printEmployees(){
struct employee *pointer= list_of_employees;
while(pointer != NULL){
printf("%d",pointer->id);
printf("%s",pointer->name);
while(pointer->payments !=NULL){
printf("%s",pointer->payments->date);
printf("%f",pointer->payments->amount);
}
pointer->payments = pointer->payments->next;
}
pointer = pointer->next;
}
int addPayment(int e_id, char* p_date, float p_amount){
EMPLOYEE* employee = list_of_employees;
while(employee != NULL) {
if(employee->id == e_id) {
PAYMENT* new_payment = (PAYMENT*) malloc(sizeof(PAYMENT));
new_payment->date = strdup(p_date);
new_payment->amount = p_amount;
new_payment->next = employee->payments;
employee->payments = new_payment;
return 1;
}
employee = employee->next;
}
return 0;
}

int deleteEmployee(int e_id, char* e_name){
struct employee *checker= list_of_employees;
struct employee *pointer= list_of_employees;
struct employee *checking = list_of_employees;
bool flag = true;
while(checking->next != NULL){
if(checking->id == e_id && checking->name == e_name){
flag = true;
break;
}
checking = checking->next;
flag = false;
}
if(flag){
printf("Employee found. Proceed to delete");
}
else{
return 0;
}
while(checker->next !=NULL){
if(checker->id == e_id && checker->name == e_name){
break;
}
checker = checker->next;
}
while(pointer->next !=NULL){
if(pointer->next == checker){
break;
}
pointer = pointer->next;
}
pointer->next = checker->next;
free(checker);
checker = NULL;
return 1;
}
The list should look like this (for example): List of employeer TestCase -2 expected output:
Name: sarah, ID: 12 Date 01/05/2010 01/01/2010 TestCase - 3 expected output: Name: mike, ID:
456 No Payments.. Name: alma, ID: 123 No Payments.. TestCase -4 expected output:

I got the codes written down below- Basically- I am trying to implemen.pdf

I got the codes written down below- Basically- I am trying to implemen.pdf

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