Employee ds

#include<stdio.h>
#include<stdlib.h>
#include<malloc.h>
#include<iostream>
using namespace std;

struct EmpNo
{
    char ocp;
    int Year;
    int Month;
    int s_no;
};

struct Address
{
    char h_no[20];
    char street_name[20];
    char town[30];
    char city[30];
    char state[30];
    char country[30];
    int  pin;
};

struct Employee 
{
    struct EmpNo empN;
    char name[40];
    char F_name[50];
    char M_name[50];
    struct Address adr;
    struct Employee * next;
};

typedef struct Employee list;

list* getnewNode() 
{
    list* newNod = (list*)malloc(sizeof(list));
    newNod->next = NULL;
    return (newNod);
}

void insert(list** head) {          //at beginning
    list* newNode = getnewNode(); char buff[100];
    cout<<"\nEnter the occupation of the Employee(O/C/M)(O-Office,C-Clerk,M-Multitask)\t";
    scanf(" %c",&newNode->empN.ocp);
    cout<<"\nEnter the Year of the entry of the employee\t";
    scanf(" %d", &newNode->empN.Year);
    cout<<"\nEnter the month of the entry of the employee\t";
    scanf(" %d", &newNode->empN.Month);
    cout<<"\nEnter the social security number of the employee\t";
    scanf(" %d", &newNode->empN.s_no);
    gets(buff);
    cout<<"\nEnter the Name of the Employee: \t";
    gets(newNode->name);
    cout<<"\nEnter the Father's Name of the Employee: \t";
    gets(newNode->F_name);
    cout<<"\nEnter the Mother's Name of the Employee: \t";
    gets(newNode->M_name);
    cout<<"\nEnter the house number of the Employee: \t";
    gets(newNode->adr.h_no);
    cout<<"\nEnter the street name of the Employee: \t";
    gets(newNode->adr.street_name);
    cout<<"\nEnter the Name of town/village of the Employee: \t";
    gets(newNode->adr.town);
    cout<<"\nEnter the Name of City of the Employee: \t";
    gets(newNode->adr.city);
    cout<<"\nEnter the Name of state of the Employee: \t";
    gets(newNode->adr.state);
    cout<<"\nEnter the Name of Country of the Employee: \t";
    gets(newNode->adr.country);
    cout<<"\nEnter the PIN code of the Employee: \t";
    scanf(" %d", &newNode->adr.pin);

    if ((*head) == NULL)
    (*head) = newNode;
    else if ((*head)->next == NULL)
    {
        (*head)->next = newNode;
    }
    else
    {
        newNode->next = (*head);
        (*head) = newNode;
    }
}
void create(list** head) 
{
    int n;
    cout<<"\nEnter the number of records you want to enter \n";
    scanf(" %d", &n);
    for (int i = 0; i < n; i++) {
        insert(&(*head));
    }
}

void display(list* head)
{
    if (head == NULL) {
        cout<<"Record empty, exiting.";
        return;
    }
    while (head != NULL) {
        printf("\nEmployee Number in order (Occupation, Year, Month, No.)\n  %c %d %d %d", head->empN.ocp, head->empN.Year, head->empN.Month, head->empN.s_no);
        printf("\nName of the Employee \n %s", head->name);
        printf("\nFather's Name of the Employee\n %s", head->F_name);
        printf("\nMother's Name of the Employee\n %s", head->M_name);
        printf("\nHouse number of the Employee\n %s",head->adr.h_no);
        printf("\nStreet name of the Employee\n%s",head->adr.street_name);
        printf("\nName of town/village of the Employee\n %s", head->adr.town);
        printf("\nCity of the Employee\n  %s", head->adr.city);
        printf("\nState of the Employee\n %s", head->adr.state);
        printf("\nCountry of the employee\n %s",head->adr.country);
        printf("\nEnter the PIN code of the Employee\n %d",head->adr.pin);
        head = head->next;
    }
    return; 
}

void disp(list* head) {
	printf("\nEmployee Number in order (O Y M N)\n  %c %d %d %d", head->empN.ocp, head->empN.Year, head->empN.Month, head->empN.s_no);
	printf("\nName of the Employee \n %s", head->name);
	printf("\nFather's Name of the Employee\n %s", head->F_name);
	printf("\nMother's Name of the Employee\n %s", head->M_name);
    printf("\nHouse number of the Employee\n %s",head->adr.h_no);
    printf("\nStreet name of the Employee\n%s",head->adr.street_name);
	printf("\nName of town/village of the Employee\n %s", head->adr.town);
	printf("\nCity of the Employee\n  %s", head->adr.city);
	printf("\nState of the Employee\n %s", head->adr.state);
	printf("\nCountry of the employee\n %s",head->adr.country);
    printf("\nEnter the PIN code of the Employee\n %d", head->adr.pin);
	return;
}

void searchNo(list* head, int ssn) 
{
    int flag = 0;
    while ((head != NULL)&& flag==0) 
    {
        if (head->empN.s_no = ssn) 
        {
            cout<<"\nRecord Found";
            flag = 1;
        }
    }
    if (flag == 0)
    cout<<"\nRecord not found";
}

void delet(list** head, int ssn) 
{
    if ((*head)==NULL){
        cout<<"Record empty, exiting.";
        return ;
    }
    if ((*head)->empN.s_no == ssn) 
    (*head) = (*head)->next;
    list* temp;
    temp = getnewNode();
    (*head) = temp;
    (*head)=(*head)->next;
    while ((*head)!=NULL)
    {
        if ((*head)->empN.s_no == ssn) 
        {
            temp->next = (*head) ->next;
            temp = (*head);
            free(temp);
        }
        (*head)=(*head)->next;
    }
    cout<<"\n New Record list is as follows \n";
    display(*head);
    
}
void count(list* head, int Yr) {
    int count = 0;
    while (head != NULL) {
        if (head->empN.Year == Yr) {
            disp(head);
            count++;
        }
        head = head->next;
    }
    printf("No of employees in the year %d are %d", Yr,count);

}
int main()
{
    list* head;
    head = NULL;
    int choice, ssn, sn, y;
    char ans = 'y';
    do{
        cout<<"\t\t MAIN MENU\n";
        cout<<"1.Create new record.\n";
        cout<<"2.Insert new record into the database.\n";
        cout<<"3.Display the records.\n";
        cout<<"4.Search the record for a given Social Security Number.\n";
        cout<<"5.Delete a record for a given SSN.\n";
        cout<<"6.Count the number of employees from a particular year. \n";
        scanf(" %d", &choice);
        switch (choice) 
        {
        case 1:
            create(&head);
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        case 2:
            insert(&head);
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        case 3:
            display(head);
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        case 4:
            cout<<"\nEnter the SSN you want to search in the record\n";
            scanf(" %d", &ssn);
            searchNo(head, ssn);
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        case 5:
            cout<<"\nEnter the SSN of the record you want to delete \n";
            scanf(" %d", &sn);
            delet(&head, sn);
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        case 6:
            cout<<"\nEnter the year of which you want to count the employees.\n";
            scanf(" %d", &y);
            count(head, y);
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        default:
            cout<<"\n Wrong choice selected.";
            cout<<"\nDo you want to return to main menu(Y/N)";
            scanf(" %c", &ans);
            break;
        }
    } while (ans == 'y' || ans == 'Y');
    return 0;
}