C project on a bookshop for saving of coustmer record

/* C project on a bookshop for saving of coustmer record*/
//header files
#include<stdio.h> //standard library input output
#include<conio.h> //console input output
#include<string.h> //
#include<stdlib.h>
void write()
{
/* file pointer create */
FILE *fp;
//define arry
char dat[20];
char un[20];
char bn[20];
char mn[20];
int cost; //define an integer
printf("nPlease Enter the Date: ");
scanf("%s",&dat);
printf("nPlease Write a Costumer Name: ");
scanf("%s",&un);
printf("nPlease Write a Book Name: ");
scanf("%s",&bn);
printf("nPlease Write a Mobile Number: ");
scanf("%s",&mn);
printf("nPlease Write a Cost of a Book: ");
scanf("%d",&cost); //
/*save record in txt file*/

fp=fopen("Record.txt","a");
fprintf(fp,"%s %s %s %s %dn",dat,un,bn,mn,cost);
printf("n Record Written Successfully!!!");
fclose(fp); //closing the pointer
getch();//get character//
}
/*display function start*/
void display()
{
char date[20]; //char define
char uname[20];
char mnumber[20];
char bname[20];
int bcost; //integer define
/*for comparing*/
char dat[20];
char cname[20];
char number[20];
char book[20];
int com;
/*file pointer*/
FILE *fp;
fp=fopen("record.txt","r");
int res; //res is using for comparing
printf("Enter your choice to search the Recordnn");
printf("xDBxDBxDBxDBxB2 1. By datenn"); /* xDB is used for some designing*/

printf("xDBxDBxDBxDBxB2 2. By Coustmer namenn");
printf("xDBxDBxDBxDBxB2 3. By Mobile numbernn");
printf("xDBxDBxDBxDBxB2 4. By book namenn");
scanf("%d",&com);
system("cls");//for clear the screen
if(com==1){
printf("Please enter daten");
scanf("%s",&dat);
while (fscanf(fp,"%s %s %s %s %d",date,uname,bname,mnumber,&bcost)!=EOF)
{
res=strcmp(date,dat); //string comparing
if(res==0){
printf("nDate: %s", date);
printf("nCoustmer name is: %s",uname);
printf("nMobile number is: %s",mnumber);
printf("nBook name is: %s",bname);
printf("nBook cost is: %d",bcost);
fclose(fp); //file pointer close
}
}
}
if(com==2){
printf("Please enter a namen");
scanf("%s",&cname);

while (fscanf(fp,"%s %s %s %s %d",date,uname,bname,mnumber,&bcost)!=EOF){
res=strcmp(uname,cname); //string comparing
if(res==0){
}
}
}
if(com==3){
printf("Please enter a mobile numbern");
scanf("%s",&number);
res=strcmp(mnumber,number); //string comparing
if(res==0){
}
}

}
if(com==4){
printf("Please enter a Book namen");
scanf("%s",&book);
res=strcmp(bname,book); //string comparing
if(res==0){
}
}
fclose(fp); // file pointer close
}
if(com==5){
printf("Please enter the book namen");
scanf("%s",&bname);
res=strcmp(bname,bname); //string comparing
if(res==0){

}
}
}
getch(); //get character
}
/*closing function*/
void exit(){
printf("THANKSn");
}
/* starting main function*/
int main(void)
{

printf("tttttxB2xB2xB2xB2xB2xB2xB2xB2xB2xB2xB2xB2 Welcome to the
Bookshop xB2xB2xB2xB2xB2xB2xB2xB2xB2xB2xB2xB2nnnn");
printf("ttttt xB2xB2xB2xB2xB2xB2 This is main menu
xB2xB2xB2xB2xB2xB2n");
/* xB2 and xDB used for designing*/
int c; //integer define
char e[20]; //array define
/*do while loop*/
do {
printf("nnxDBxDBxDBxDBxB2 Press 1 for Costumer entry. nn");
printf("xDBxDBxDBxDBxB2 Press 2 for for Books Record. nn");
printf("xDBxDBxDBxDBxB2 Press 0 for Close Application. nn");
printf("Enter Your Choice...n");
scanf("%d",&c);
system("cls"); //clear screen
/*switch statement*/
switch(c){
case 1:write();
break;
case 2:
display();
break;

case 0:
exit();
break;
}
}
while(c!=0);
getch(); //get character
return 0;
}

C project on a bookshop for saving of coustmer record

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C project on a bookshop for saving of coustmer record