hello,
it is a book database i have made 3 functions out of 5 plz help me
these functions are not giving right output .plz plz plz help.
i wil be highly thankful to him/her.plz
Code:#include<stdio.h> #include<conio.h> #include<string.h> struct data { int book_id; char authername[89]; char bookname[80]; float price; }; struct data book[40]; void menu(void); void add(void); void sort(void); void _display(void); //void bookdetails(void); int new; main() { char ch; while(1) { clrscr(); menu(); printf("\n enter choice\n"); ch=getche(); switch(ch) { case'1': add(); break; case'2': sort(); break; case'3': _display(); break; /* case'4': bookdetails(); break;*/ case'5': exit(0); break; //default: // printf("\n enter a valid choice\n"); } } } void menu(void) { clrscr(); printf("\n book database"); printf("\n 1.add abook"); printf("\n 2.sort"); printf("\n 3.price"); printf("\n 4.bookdetails"); printf("\n 5.exit"); } void add(void) { char x[9]; clrscr(); if(new<40) { printf("\nenter bookid:"); gets(x); book[new].book_id=atoi(x); printf("\nenter book price:"); gets(x); book[new].price=atof(x); printf("enter book author name"); gets(book[new].authername); printf("enter book name"); gets(book[new].bookname); new++; printf("book entere\n"); getch(); } else printf("not enough memory"); } void sort(void) { int i,o; float temp=0; // struct data temp; for(o=0;o<new-1;o++) { for(i=o+1;i<new;i++) { if(book[o].price>book[i].price) { temp=book[o].price; book[o].price=book[i].price; book[i].price=temp; } } } } void _display(void) { int x=0; char ch; printf("\n\n\n displaying books records"); do { if(x<new) { printf("\n record # %d\n",x+1); printf("\n book name %s",book[x].bookname); printf("\n author name: %s",book[x].authername); printf("\n book id %d",book[x].book_id); printf("\n book price %f ",book[x].price); x++; printf("press enter to see the next record or exit by pressing esc key"); ch=getche(); if(ch==27) break; } else printf("\n \n no more record"); getch(); break; }while(ch!='27'); }
