C Project : Write a C Program for Telepone directory

/**************************************************************/
/*Programmed by : Vivek Patel**********************************/
/*For Bugs Free feel to contact********************************/
/*Website : www.vivekpatel.cjb.net*****************************/
/*Email : vivek_patel9@rediffmail.com**************************/
/**************************************************************/

#include
#include
#include

struct person{
char name[20];
long telno;
};

void appendData(){
FILE *fp;
struct person obj;
clrscr();
fp=fopen("data.txt","a");
printf("*****Add Record****\n");
printf("Enter Name : ");
scanf("%s",obj.name);
printf("Enter Telephone No. : ");
scanf("%ld",&obj.telno);
fprintf(fp,"%20s %7ld",obj.name,obj.telno);
fclose(fp);
}

void showAllData(){
FILE *fp;
struct person obj;
clrscr();
fp=fopen("data.txt","r");
printf("*****Display All Records*****\n");
printf("\n\n\t\tName\t\t\tTelephone No.");
printf("\n\t\t=====\t\t\t===============\n\n");
while(!feof(fp))
{
fscanf(fp,"%20s %7ld",obj.name,&obj.telno);
printf("%20s %30ld\n",obj.name,obj.telno);
}
fclose(fp);
getch();
}

void findData(){
FILE *fp;
struct person obj;
char name[20];
int totrec=0;
clrscr();
fp=fopen("data.txt","r");
printf("*****Display Specific Records*****\n");
printf("\nEnter Name : ");
scanf("%s",&name);
while(!feof(fp))
{
fscanf(fp,"%20s %7ld",obj.name,&obj.telno);
if(strcmpi(obj.name,name)==0){
printf("\n\nName : %s",obj.name);
printf("\nTelephone No : %ld",obj.telno);
totrec++;
}
}
if(totrec==0)
printf("\n\n\nNo Data Found");
else
printf("\n\n===Total %d Record found===",totrec);
fclose(fp);
getch();
}



void main(){
char choice;
while(1){
clrscr();
printf("*****TELEPHONE DIRECTORY*****\n\n");
printf("1) Append Record\n");
printf("2) Find Record\n");
printf("3) Read all record\n");
printf("4) exit\n");
printf("Enter your choice : ");
fflush(stdin);
choice = getche();
switch(choice){
case '1' : //call append record
appendData();
break;
case '2' : //call find record
findData();
break;
case '3' : //Read all record
showAllData();
break;
case '4' :
case 27 : exit(1);
}
}
}