Mini project Employee record system using C

Source Code
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//A menu-driven program for elementary database management

#include <stdio.h>

#include <stdlib.h>

#include <conio.h>

#include <windows.h>

#include <string.h>

COORD coord = {0,0};

void gotoxy(int x,int y){

    coord.X = x; coord.Y = y;

    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);

}

int main(){

    FILE *fp, *ft;

    char another, choice;

    struct emp{

        char name[40];

        int age;

        float bs;

    };

    struct emp e;

    char empname[40];

    long int recsize;

    fp = fopen("EMP.DAT","rb+");

    if(fp == NULL){

        fp = fopen("EMP.DAT","wb+");

        if(fp == NULL){

            printf("Connot open file");

            exit(1);

        }

    }

    recsize = sizeof(e);

    while(1){

        system("cls");

        gotoxy(30,10);

        printf("1. Add Record");

        gotoxy(30,12);

        printf("2. List Records");

        gotoxy(30,14);

        printf("3. Modify Records");

        gotoxy(30,16);

        printf("4. Delete Records");

        gotoxy(30,18);

        printf("5. Exit");

        gotoxy(30,20);

        printf("Your Choice: ");

        fflush(stdin);

        choice  = getche();

        switch(choice){

            case '1':

                system("cls");

                fseek(fp,0,SEEK_END);

                another = 'y';

                while(another == 'y'){

                    printf("\nEnter name,age and basic salary");

                    scanf("%s%d%f",e.name, &e.age, &e.bs);

                    fwrite(&e,recsize,1,fp);

                    printf("\nAdd another record(y/n) ");

                    fflush(stdin);

                    another = getche();

                }

                break;

            case '2':

                system("cls");

                rewind(fp);

                while(fread(&e,recsize,1,fp)==1){

                    printf("\n%s %d %.2f",e.name,e.age,e.bs);

                }

                getch();

                break;

            case '3':

                system("cls");

                another = 'y';

                while(another == 'y'){

                    printf("Enter the employee name to modify: ");

                    scanf("%s", empname);

                    rewind(fp);

                    while(fread(&e,recsize,1,fp)==1){

                        if(strcmp(e.name,empname) == 0){

                            printf("\nEnter new name,age and bs");

                            scanf("%s%d%f",e.name,&e.age,&e.bs);

                            fseek(fp,-recsize,SEEK_CUR);

                            fwrite(&e,recsize,1,fp);

                            break;

                        }

                    }

                    printf("\nModify another record(y/n)");

                    fflush(stdin);

                    another = getche();

                }

                break;

            case '4':

                system("cls");

                another = 'y';

                while(another == 'y'){

                    printf("\nEnter name of employee to delete ");

                    scanf("%s",empname);

                    ft = fopen("Temp.dat","wb");

                    rewind(fp);

                    while(fread(&e,recsize,1,fp) == 1){

                        if(strcmp(e.name,empname) != 0){

                            fwrite(&e,recsize,1,ft);

                        }

                    }

                    fclose(fp);

                    fclose(ft);

                    remove("EMP.DAT");

                    rename("Temp.dat","EMP.DAT");

                    fp = fopen("EMP.DAT", "rb+");

                    printf("Delete another record(y/n)");

                    fflush(stdin);

                    another = getche();

                }

                break;

            case '5':

                fclose(fp);

                exit(0);

        }

    }

    return 0;

}




Output
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