K&R Exercise 1-9 (C)

Question

\"Write a program to copy its input to its output, replacing each string of one or more blanks by a single blank.\"

I\'m assuming by thi

Answer 1

I worked really hard at finding a solution that used only the material that has already been covered in the first part of the first chapter of the book. Here is my result:

#include 

/* Write a            program         to copy its input to       its output, replacing             each string of one         or more blanks by a single blank. */

main()
{
    int c;

    while ((c = getchar()) != EOF){
        if (c == ' '){
            putchar(c);
            while ((c = getchar()) == ' ')
                ;
        }
        if(c != ' ')
            putchar(c);
    }
}