commit 24566f873cbeb9711ebf422c9ff351dba7c7d162
parent d6e72fe7d75922b65618264d250778aeabf37260
Author: Amit Dutta <amitdutta4255@gmail.com>
Date: Sun, 29 Mar 2026 21:16:16 +0530
[2026-03-29] : .\Semester_1\practice-c : added practice code.
Diffstat:
1 file changed, 89 insertions(+), 0 deletions(-)
diff --git a/Semester_1/practice-c/pc013.c b/Semester_1/practice-c/pc013.c
@@ -0,0 +1,88 @@
+/*
+ * Author: Amit Dutta (amitdutta4255@gmail.com) | Date: 29 Mar 2026
+ * Repo: https://github.com/notamitgamer/bsc
+ * License: MIT
+ */
+
+/* Write a C program that defines a structure named Book with attributes bookID (int),
+title (string), and price (float). Include a user-defined function named updatePrice
+with the signature: void updatePrice(struct Book *b, float newPrice);
+ The program should:
+ * Accept details for one book from the user.
+ * Display the details before the update.
+ * Use the function to update the price of the book.
+ * Display the updated details.*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct Book
+{
+ int bookID;
+ float price;
+ char title[20];
+} Book;
+
+void acceptDetails(Book *);
+void displayDetails(Book *);
+void updatePrice(struct Book *, float);
+
+int main()
+{
+ Book book1;
+ float newPrice;
+ acceptDetails(&book1);
+ displayDetails(&book1);
+ printf("\n\nEnter the updated price: ");
+ if (scanf("%f", &newPrice) != 1)
+ {
+ printf("\nInvalid Price!");
+ exit(1);
+ }
+ updatePrice(&book1, newPrice);
+ displayDetails(&book1);
+ return 0;
+}
+
+void acceptDetails(Book *book)
+{
+ char *p;
+ printf("\n== Enter details for the book ==\n");
+ printf("Enter Book ID: ");
+ if (scanf("%d", &book->bookID) != 1)
+ {
+ printf("\nInvalid Book ID!");
+ exit(1);
+ }
+ while (getchar() != '\n')
+ ;
+ printf("Enter Book Title: ");
+ if (fgets(book->title, sizeof(book->title), stdin) == NULL)
+ {
+ printf("\nError reading input!");
+ exit(1);
+ }
+ p = strchr(book->title, '\n');
+ if (p)
+ *p = '\0';
+ printf("Enter Price: ");
+ if (scanf("%f", &book->price) != 1)
+ {
+ printf("\nInvalid Price!");
+ exit(1);
+ }
+}
+
+void displayDetails(Book *book)
+{
+ printf("\n== Details of the Book ==");
+ printf("\nBook ID: %d", book->bookID);
+ printf("\nBook Title: %s", book->title);
+ printf("\nBook Price: %g", book->price);
+}
+
+void updatePrice(struct Book *book, float newPrice)
+{
+ book->price = newPrice;
+}+
\ No newline at end of file
