Program to generate a datas files containing the list of customers and their corresponding telephone number.

Write a Program to generate a datas files containing the list of customers and their corresponding telephone number. Use structure variable to store the name and telephone of customers. create a data file using a sample list.

#include<stdio.h> #include<conio.h> #include<string.h> struct labor{ long int tel; char name[20]; }; int main() { int i,j,m; FILE *fp,*fpp; fp=fopen("imango.txt","w"); struct labor a[30]; printf("enter how many employee:"); scanf("%d",&m); fprintf(fp,"name\t\t phone\n"); for(i=0;i<m;i++) { printf("enter [%d] name and phone number:",i+1); scanf("%s%d",&a[i].name,&a[i].tel); fprintf(fp,"%s\t\t %d\n",a[i].name,a[i].tel); } fprintf(fp,"Thank you for entering the data"); fclose(fp); fp=fopen("imango.txt","r"); printf(" name\t\t phone\n "); for(i=0;i<m;i++) { printf("%s\t\t %d\n",a[i].name,a[i].tel); } fclose(fp); getch(); }