Solve Exercises 1-1 to 1-12

It was bugging me and the exercises are simple, so I pumped'em out.

1 files changed, 39 insertions, 0 deletions

diff --git a/1-12_one-word-per-line.c b/1-12_one-word-per-line.c
new file mode 100644
index 0000000..3f31d1d
--- /dev/null
+++ b/1-12_one-word-per-line.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+
+/* The C Programming Language, 2nd Edition
+ *
+ * Exercise 1-12: Write a program that prints its input one word per line.
+ *
+ * Answer: Be sure to output letters when you're in a word, and a newline when
+ * you're out of one.
+ */
+
+#define IN 1
+#define OUT 0
+
+int main(void) {
+	int c, nl, nw, nc, state;
+	state = OUT;
+	nl = nw = nc = 0;
+
+	while ((c = getchar()) != EOF) {
+		nc++;
+		if (c == '\n') {
+			nl++;
+		}
+		if (c == ' ' || c == '\n' || c == '\t') {
+			state = OUT;
+			putchar('\n');
+		} else if (state == OUT) {
+			state = IN;
+			nw++;
+		}
+		if (state == IN) {
+			putchar(c);
+		}
+	}
+
+	printf("%d %d %d\n", nl, nw, nc);
+
+	return 0;
+}