C program to suppress the multiple space and tabs in a line

--> C program to suppress the multiple space and tabs in a line of input to single space,(Dennis Ritchie exercise 1.9 page 19.

#include<stdio.h>

/* Copy and replace multiple blanks and tabs by single space

Autor:- Surendra Patil

Date:- july 9th 2013

*/

int main()

{

int c;

printf("\n enter the input with tabs and spaces \n");

while ((c=getchar()) != EOF) {

  if(c ==' ' || c == '\t') {

     putchar(' ');

     /* squeze all the blanks and tabs */

    while ( ((c = getchar()) != EOF) && (c == ' ' || c == '\t'));

  }

   putchar(c);

}

return 0;

}

Input:-

surendra patil nidasoshi

Output:-

surendra patil nidasoshi