BOOK STORE AUTOMATION SYSTEM

#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);

}