K & R C Programs Exercise 1-21.

K and R C, Solution to Exercise 1-21:
C Program to replace string of blanks by the minimum number of tabs and blanks to achieve the same spacing. K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. 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

#include "stdio.h"
#define TABSIZE 6 /*Tab increment size*/
main() {
int c, no_blanks, pos, no_tabs;
no_blanks = 0; /*number of blamks required*/
no_tabs = 0; /* number of tabs required*/

for (pos = 1; (c = getchar()) != EOF; ++pos) {
if (c == ' ') {
if (pos % TABSIZE != 0)
else {
no_blanks = 0;
} else {
for (; no_tabs > 0; --no_tabs)
if (c == 't')
no_blanks = 0;
for (; no_blanks > 0; --no_blanks)
putchar(' ');
if (c == 'n')
pos = 0;
else if (c == 't')
pos = pos + (TABSIZE - (pos - 1) % TABSIZE);


Read more Similar C Programs
C Basic

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