ADDRESS BOOK

#include<stdio.h>

#include<stdlib.h>

#include<conio.h>

#include<alloc.h>

#include<string.h>

#include<graphics.h>

struct entry

{

char name[50];

char nick[50];

char email[50];

char address[50];

char city[50];

char cont[50];

char pin[50];

struct entry *lptr;

struct entry *rptr;

}*temp,*newe,*l,*r;

typedef struct entry *list;

void newentry();

void display(char n[50]);

void deletentry(char n[50]);

void displayall();

void makempty();

int isempty();

void saventry();

void loadentry();

void deleteall();

void newentry()

{

char a[50],b[50],f[50],g[50],c[50],d[50],e[50];

int i,k=0;

printf("Enter the Datas for the New Entry:");

printf("Name      :");

scanf("%s",a);

printf("Nick name :");

scanf("%s",b);

printf("E-mail ID :");

scanf("%s",c);

printf("Address   :");

scanf("%s",d);

printf("City      :");

scanf("%s",e);

printf("Contact No:");

scanf("%s",f);

printf("Pincode   :");

scanf("%s",g);

newe=(struct entry*)malloc(sizeof(struct entry));

for(i=0;i<50;i++)

{

newe->name[i]=' ';

newe->nick[i]=' ';

newe->email[i]=' ';

newe->address[i]=' ';

newe->city[i]=' ';

newe->cont[i]=' ';

newe->pin[i]=' ';

}

for(i=0;i<50;i++)

{

newe->name[i]=a[i];

newe->nick[i]=b[i];

newe->email[i]=c[i];

newe->address[i]=d[i];

newe->city[i]=e[i];

newe->cont[i]=f[i];

newe->pin[i]=g[i];

}

if(isempty())

{

newe->lptr=newe->rptr=NULL;

l=r=newe;

printf("Your Entry is Added");

}

else

 {

           temp=l;

           while(temp!=NULL)

  {

            i=stricmp(newe->name,temp->name);

           if(i<0)

           break;

           else if(i>0)

            temp=temp->rptr;

            else if(i==0)

           {

                   printf("Name Already Exists.Entry cannot be Added");

            k=1;

            break;

           }

          }

           if(k!=1)

           {

                   if(temp==l)

          {

            newe->lptr=NULL;

            newe->rptr=l;

            l->lptr=newe;

            l=newe;

            printf("Your Entry is Added");

           }

           else if(temp==NULL)

          {

            newe->rptr=NULL;

            newe->lptr=r;

            r->rptr=newe;

            r=newe;

            printf("Your Entry is Added");

           }

           else

          {

          newe->rptr=temp;

          newe->lptr=temp->lptr;

          temp->lptr=newe;

          (newe->lptr)->rptr=newe;

          printf("Your Entry is Added");

          }

  }

  }

}

void displayall()

{       int n=1;

if(!isempty())

{

temp=l;

while(temp!=NULL)

{

printf("[%d]         Name      :%s    Nick Name :%s      E-mail ID   :%s       address     :%s      City      :%s      Contact.No:%s      Pin code :%s",n,temp->name,temp->nick,temp->email,temp->address,temp->city,temp->cont,temp->pin);

temp=temp->rptr;

n++;

}

}

else

printf("Address Book is Empty");

}

void deletentry(char n[50])

{

int i;

if(isempty())

printf("Address  Book is Empty");

else{

temp=l;

while(temp!=NULL)

{

i=stricmp(temp->name,n);

if(i==NULL)

{

if(l==r)

{

l=r=NULL;

printf("Entry deleted");

break;

}

else if(temp==l)

  {

  l=l->rptr;

  l->lptr=NULL;

  printf("Entry deleted");

  break;

  }

else if(temp==r)

{

r=r->lptr;

r->rptr=NULL;

printf("Entry deleted");

break;

}

else{

(temp->lptr)->rptr=temp->rptr;

(temp->rptr)->lptr=temp->lptr;

printf("Entry deleted");

break;

}

}

temp=temp->rptr;

}

if(temp==NULL)

printf("Not Found");

}

}

int isempty()

{

return l==NULL;

}

void makempty()

{

l=r=NULL;

printf("Address Book is Emptied");

}

void display(char n[50])

{

int i,p=1;

if(isempty())

printf("Address Book is Empty");

else

{

temp=l;

while(temp!=NULL)

{

i=stricmp(temp->name,n);

if(i==NULL)

{if(p==1)

printf("Entry is found in %dst position",p);

 else if(p==2)

 printf("Entry is found in %dnd position",p);

 else if (p==3)

 printf("Entry is found in %drd position",p);

 else

printf("Entry is found in %dth position",p);

printf("Name      :%s    Nick Name :%s    E-mail ID :%s    address   :%s    City        :%s     Contact.No:%s    Pin code    :%s      ",temp->name,temp->nick,temp->email,temp->address,temp->city,temp->cont,temp->pin);

break;

}

temp=temp->rptr;

p++;

}

if(temp==NULL)

printf("Entry Not Found");

}

}

void main()

{

int l=1,m;

int gd=DETECT,gm;

char n[50];

initgraph(&gd,&gm,"c:\tc\bgi");

while(l!=8)

{

clrscr();

textmode(C80);

textcolor(4);

cprintf("********************************************************************************#------------------------MINI PROJECT-SIMPLE ADDRESS BOOK----------------------#********************************************************************************");

cprintf("Enter Your Choice");

printf("   ");

cprintf("(1)-New Entry");

printf("  ");

cprintf("(2)-Display an Entry");

printf("  ");

cprintf("(3)-Delete an Entry");

printf("  ");

cprintf("(4)-Display all Entries");

printf("  ");

cprintf("(5)-Empty the book");

printf("  ");

cprintf("(6)-Save Entry");

printf("  ");

cprintf("(7)-Load Entries");

printf("  ");

cprintf("(8)-Delete All Saved Files");

printf("  ");

cprintf("(9)-End");

printf("  ");

cprintf("********************************************************************************");

printf("  ");

scanf("%d",&l);

switch(l)

{

case 1:

textcolor(2);

newentry();

getch();

break;

case 2:

textcolor(2);

cprintf("Enter the Name of the Person to Display");

printf("  ");

scanf("%s",&n);

display(n);

getch();

break;

case 3:

textcolor(2);

cprintf("Enter the Name of the Person to Delete");

printf("  ");

scanf("%s",&n);

deletentry(n);

getch();

break;

case 4:

textcolor(2);

displayall();

getch();

break;

case 5:

textcolor(2);

makempty();

getch();

break;

case 6:

textcolor(2);

saventry();

getch();

break;

case 7:

textcolor(2);

loadentry();

getch();

break;

case 8:

textcolor(2);

deleteall();

getch();

break;

case 9:

textcolor(2);

printf("Program Ends Here.Thank You!!!");

printf("  ");

getch();

break;

default:

textcolor(2);

printf("Enter a Valid Choice from 1-9 only");

printf("  ");

getch();

break;

}

}

getch();

}

void saventry()

{

char n[50];

int c;

printf("Enter the Name of the Person");

scanf("%s",n);

list t;

if(isempty())

printf("Address Book is Empty");

else

{

FILE *f;

f=fopen("entry.c","a");

int i;t=l;

while(t!=NULL)

{

i=stricmp(t->name,n);

if(i==0)

{

fprintf(f,"%s %s %s %s %s %s %s",t->name,t->nick,t->email,t->address,t->city,t->cont,t->pin);

printf("Your Entry Saved");

printf("Add Another Entry? (1-yes/2-no)");

scanf("%d",&c);

if(c==1)

saventry();

else if(c==2)

break;

}

t=t->rptr;

}

fclose(f);

if(t==NULL)

printf("Entry Not Found");

}

}

void loadentry()

{

int i=1;

list t;

FILE *f;

       f=fopen("entry.c","r");

          if(f==NULL)

          {

          printf("Cannot Open");

          exit(1);

          }

          while(fscanf(f," %s %s %s %s %s %s %s",t->name,t->nick,t->email,t->address,t->city,t->cont,t->pin)!=EOF)

       { printf("[%d]         Name      :%s     Nick Name :%s    E-mail ID     :%s     address   :%s     City      :%s    Contact.No:%s           Pin code     :%s",i,t->name,t->nick,t->email,t->address,t->city,t->cont,t->pin);

          i++;}

          fclose(f);

          }

         void deleteall()

          {

          FILE *f;

          f=fopen("entry.c","w");

          fclose(f);

          printf("all saved files were delete");

          }