Program to read name of a employee, employee number and salary from the keyboard and writes same to binary file

#include<stdio.h>

struct employee

{

          int eno,salary;

          char name[20];

}        

main()

{

          struct employee e;

          char ans;

          FILE *fp;

          fp=fopen("file9.out","wb");

          if(fp==NULL)

          {

                   printf("Error in file opening");

                   exit(0);

          }

          do

          {

                   printf("\nEmployee No.");

                   scanf("%d",&e.eno);

                   printf("\nName :");

                   scanf("%s",&e.name);

                   printf("\nSalary");

                   scanf("%d",&e.salary);

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

                   printf("\nDo you want to add more records y/n");

                   ans=getch();

          }while(ans !='n');

          fclose(fp);

}