Computer Notes

Header Right

Home » Lab » Write a C program to check a char: is it a control letter.

Write a C program to check a char: is it a control letter.

By Dinesh Thakur

 

 

#include<ctype.h> 
 #include<stdio.h> 
 #include<conio.h> 
 void main() 
 { 
 char ch; 
 for(;;) 
 { 
 ch = getchar(); 
 if(ch=='.') break; 
 if(iscntrl(ch)) printf("%c is a control character\n", ch); 
 } 
 getch(); 
 } 
   
 OUTPUT:   
 a 
 a is a control character

You’ll also like:

  1. Write a C program to check a char: is it a letter.
  2. Write a C program to is char a letter.
  3. Write a C program to check a char: is it a alphanumeric char.
  4. C Program Write a Program to Enter Char and Check its ASCII Code or Not
  5. C Program Write a Program to Check the Char is Vowel or Not
Like/Subscribe us for latest updates     
About Dinesh Thakur
Dinesh ThakurDinesh Thakur holds an B.C.A, MCDBA, MCSD certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps.

Dinesh Thakur is a Freelance Writer who helps different clients from all over the globe. Dinesh has written over 500+ blogs, 30+ eBooks, and 10000+ Posts for all types of clients.


For any type of query or something that you think is missing, please feel free to Contact us.