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

Same explanation with Matt Joiner's, but this code does not use break.

int c;

while ((c = getchar()) != EOF)
{
    if (c == ' ') /* find a blank */
    {
        putchar(' '); /* print the first blank */
        while ((c = getchar()) == ' ') /* look for succeeding blanks then… */
            ; /* do nothing */
    }

    if (c != EOF) /* We might get an EOF from the inner while-loop above */
        putchar(c);
}