first commit

1 files changed, 23 insertions, 0 deletions

diff --git a/ch01/ex12-print.c b/ch01/ex12-print.c
new file mode 100644
index 0000000..91aafa2
--- /dev/null
+++ b/ch01/ex12-print.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+#define IN  1    /* inside a word */
+#define OUT 0    /* outside a word */
+
+/* print one word per line from the input */
+int main()
+{
+	int c, state;
+
+	state = OUT;
+	while ((c = getchar()) != EOF) {
+		if (c == ' ' || c == '\n' || c == '\t') {
+			if (state == IN)
+				putchar('\n');
+			state = OUT;
+		} else if (state == OUT)
+			state = IN;
+		if (state == IN)
+			putchar(c);
+	}
+	putchar('\n');
+}