1 files changed, 41 insertions, 0 deletions
diff --git a/ch1/1-12_one-word-per-line.c b/ch1/1-12_one-word-per-line.c
new file mode 100644
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--- /dev/null
+++ b/ch1/1-12_one-word-per-line.c
@@ -0,0 +1,41 @@
+#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') {
+			if (state == IN) {
+				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;
+}