K & R C Programs Exercise 4-9.

K and R C, Solution to Exercise 4-9:
K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language (2nd Edition). You can learn and solve K&R C Programs Exercise.
C Program to modify the K & R C Programs Exercise 4-8, getch and ungetch do not handlea pushed back EOF correctly. Decide what their properties ought to be if an EOF is pushed back, then implement the design
Read more about C Programming Language .

* You can use all the programs on www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact [email protected]
* To find more C programs, do visit www.c-program-example.com
* and browse!
* Happy Coding

#define BUFSIZE 100
int buf[BUFSIZE];
int bufp = 0;

//getch: get a (possibly pushed back) character
int getch(void)
return (bufp > 0) ? buf[--bufp] : getchar();
//ungetch: push a character back onto the input
void ungetch(int c)
if(bufp >= BUFSIZE)
printf("ungetch: too many characters!");
buf[bufp++] = c;
Read more Similar C Programs
C Basic
C Strings
K and R C Programs Exercise

You can easily select the code by double clicking on the code area above.

To get regular updates on new C programs, you can Follow @c_program

You can discuss these programs on our Facebook Page. Start a discussion right now,

our page!

Share this program with your Facebook friends now! by liking it

(you can send this program to your friend using this button)

Like to get updates right inside your feed reader? Grab our feed!

To browse more C Programs visit this link
(c) www.c-program-example.com

Leave a Reply