#include<stdio.h>
void view(void);
void input(void);
void help(void);
struct input
{
char name[15];
char phone[15];
char email[15];
}
people[100];
int i;
main()
{
system("cls");
system("color f9");
int n,j;
printf("\n\n");
printf("Welcome to hallo world");
//Ripon das
printf("Welcome to Contact Management system..\n");
printf("----------------------------------------------------\n");
printf("\nPlease enter 1 for add contact.\n");
printf("Please enter 2 for view contact.\n");
printf("Please enter 3 for HELP\n");
printf("Please enter 4 for exit\n");
printf("----------------------------------------------------\n");
scanf("%d",&n);
while(n!=4)
{
switch(n)
{
case 1:
input();
break;
case 2:
view();
break;
case 3:
help();
break;
default:
printf("You enter wrong number. Please try again......");
getch();
main();
}
}
}
//Prepared by: Ripon das, CSE, University of Barisal
void input(void)
{
system("cls");
int n,i;
FILE *f1;
f1=fopen("Record file.txt","a");
printf("How many data do you want?");
scanf("%d",&n);
printf("Please enter the data of %d people:",n);
for(i=0;i<n;i++)
{
printf("\nEnter name %d (should one word):",i+1);
scanf("%s",people[i].name);
printf("\nEnter Mobile Number:");
scanf("%s",people[i].phone);
printf("\nEnter E-mail:");
scanf("%s",people[i].email);
fprintf(f1,"\n Name %d is: %s",i+1,people[i].name);
fprintf(f1,"\nPhone Number is: %s",people[i].phone);
fprintf(f1,"\n E-mail is: %s",people[i].email);
}
fclose(f1);
main();
}
void view(void)
{
system("cls");
char c;
FILE *f1;
f1=fopen("Record file.txt","r");
while((c=getc(f1))!=EOF)
printf("%c",c);
fclose(f1);
printf("\nEnter any key to continue.........");
getch();
main();
}
void help(void)
{
char ch;
FILE *f2;
f2=fopen("help.txt","r");
while((ch=getc(f2))!=EOF)
printf("%c",ch);
fclose(f2);
printf("\n\n\nEnter any key to continue.....");
getch();
main();
}
C programming project on caontact management system
4/
5
Oleh
Ripon Chandra das
