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/*
Exercise 1-9. Write a program to copy its input to its output, replacing each
string of one or more blanks by a single blank.
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*/
#include <stdio.h>
int main () {
int c, w;
w=0; /* word: 0=space, 1=word */
while ((c=getchar())!=EOF) {
if (c!=' ' && !w) w=1; /* word begins */
if (w) putchar(c); /* print character */
if (c==' ' && w) w=0; /* word ends */
}
}
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