fprintf(librecord,"\n%d\t%s\t%s\t%d\t%d\t",book.bid,book.bname,book.author,book.status,book.nooftitles); ...

void return_book(struct Human_data *H, struct Book_data B[],struct BR_data BR[]); void borrow_book(struct Human_data *H, struct Book_data B[]); char Time[50]; // Array to store the time as string int ...