Card Catalog

#include <stdio.h>
#include <string.h>

#define MAX 100

void display(int i);
void addNew();
void search();
void showAll();

int top=0; /*last created value*/

struct catalog
{
    char name[80];
    char author[80];
    char pub[80];
    char date[80];
    char ed[10];
} cat[MAX];

int main()
{
    int choice;
    int i;

    printf("1.New catalog\n");
    printf("2.Search by title\n");
    printf("3.Show All\n");
    printf("4.Exit\n");

    do
    {
        printf("Choose your selection:\n");
        scanf("%d", &choice);
        getchar();

        if(choice < 1 || choice > 3)
            printf("Invalid Selection\n");
        else if(choice == 1)
            addNew();
        else if(choice == 2)
            search();
        else if(choice == 3)
            showAll();

    } while(choice != 4);

    return 0;
}

void display(int i)
{
    printf("%s\n",cat[i].name);
    printf("by %s\n",cat[i].author);
    printf("published by %s\n",cat[i].pub);
    printf("copyright: %s, %s edition\n\n",cat[i].date,cat[i].ed);
}

void showAll()
{
    int i;
    for(i = 0; i < top; i++)
    {
        display(i);
        printf("\n");
    }
}

void addNew(void)
{
    int i;
    char temp[80];

    printf("Enter title:\n");
    gets(cat[top].name);
    printf("Enter author:\n");
    gets(cat[top].author);
    printf("Enter publisher:\n");
    gets(cat[top].pub);
    printf("Enter copyright date:\n");
    gets(temp);
    printf("Enter edition:\n");
    gets(cat[i].ed);

    top++;
}

void search(void)
{
    int i,found=1;
    char title[80];

    printf("Enter the title of the book you want to search:\n");
    gets(title);

    for(i=0;i<=top;i++)
        if(!strcmp(title,cat[i].name))
        {
            display(i);
            found=0;
        }
    if(found) printf("Sorry! Book not found.\n");
}