1 #include <stdio.h>
2 
3 #define IN	1 /* inside a word */
4 #define OUT	0 /* outside a word */
5 
6 /* count lines, words, and characters in input */
7 main()
8 {
9 	int c, nl, nw, nc, state;
10 
11 	state = OUT;
12 	nl = nw = nc = 0;
13 	while ((c = getchar()) != EOF) {
14 		++nc;
15 		if (c == '\n')
16 			++nl;
17 		if (c == ' ' || c == '\n' || c == '\t')
18 			state = OUT;
19 		else if (state == OUT) {
20 			state = IN;
21 			++nw;
22 		}
23 	}
24 	printf("%d %d %d\n", nl, nw, nc);
25 }