Program To Reverse Case Of Character

getchar() is similar to scanf()islower() is a system-defined function under ctype.h header file to check if the character is in lowercase or not.toupper() converts the input parameter into equivalent uppercase char. putchar() is similar to printf().

Example To Reverse The Character Case

Output:

Top Book Suggestion

The two books on C Programming Language that I Personally Recommend. I really loved reading these books. These books are listed for quality content, easy steps, and affordable price. You can get it from Amazon and Flipkart. 

 

Check The Price On Amazon:

1. C Programming Beginner’s Guide

2. Head First C: A Brain-Friendly Guide

Check The Price On Flipkart:

1. Introduction to C Programming 

2. Head First C: A Brain-Friendly Guide

Pin It on Pinterest

Share This