#include<stdio.h>
#include<conio.h>
#include<string.h>
struct record
{
char author[20];
char title[30];
float price;
struct
{
char month[10];
int year;
}
date;
char publisher[10];
int quantity;
};
int look_up(struct record
table[],char s1[],char s2[],int m);
void get(char string [
]);
main()
{
char
title[30],author[20];
int index,no_of_records;
char response[10],
quantity[10];
struct record
book[]= {
{ "Ritche","C
language",45.00,"May",1977,"PHI",10},
{
"Kotchan","Programming in C",75.50,"July",1983,"Hayden",5},
{
"Balagurusamy","BASIC",30.00,"January",1984,"TMH",0},
{
"Balagurusamy","COBOL",60.00,"December",1988,"Macmillan",25}
};
no_of_records=sizeof(book)/sizeof(struct record);
do
{
printf("Enter title
and author name as per the list\n");
printf("\n
Title:");
get(title);
printf("Author:");
get(author);
index=look_up(book,title,author,no_of_records);
if(index!=-1)
{
printf("\n %s %s
%.2f %s %d %s\n\n",
book[index].author,
book[index].title,
book [index].price,
book[index].date.month,
book[index].date.year,
book[index].publisher);
printf("Enter number
of copies");
get(quantity);
if(atoi(quantity) <
book[index].quantity)
printf("cost of %d
copies=%.2f\n",atoi(quantity),
book[index].price*atoi(quantity));
else
printf("\n required
copies not in stock\n\n");
}
else
printf("\n Book not in
list \n\n");
printf("\n Do you want
any other book?(YES/NO):");
get(response);
}
while(response[0]=='Y'||
response[0]=='y');
printf("\n\nthank
you.good bye!\n");
}
void get(char string [])
{
char c;
int i=0;
do
{
c=getchar();
string[i++]=c;
}
while(c !='\n');
string[i-1]='\0';
}
int look_up(struct record
table[],char s1[],char s2[],int m)
{
int i;
for(i=0;i<m;i++)
if(strcmp(s1,table[i].title)==0 &&
strcmp(s2,table[i].author)==0)
return(i);
return(-1);
output
Enter title and
author name as per the list
Title:BASIC
Author:Balagurusamy
Balagurusamy BASIC 30.00 January 1984 TMH
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