Finished arrays

ch_01/exercise_01-12/main.c

@@ -0,0 +1,47 @@
+/*
+ *
+ * Exercise 1-12. Write a program that prints its input one word per line.
+ *
+ * Author: Kun Deng
+ */
+
+#include <stdio.h>
+
+#define IN_WORD 1
+#define OUT_WORD 0
+#define WORD_LOWER_LIMIT 2
+
+
+int main()
+{
+    int c;
+    int state = OUT_WORD;
+
+    printf("Enter a series lines, words, and characters\n");
+    printf("Once complete, enter Ctr-D to quit\n");
+
+    while ((c = getchar()) != EOF)
+    {
+
+        if (c == '\n' || c == ' ' || c == '\t')
+        {
+            if (state == IN_WORD)
+            {
+                state = OUT_WORD;
+                putchar('\n');
+            }
+        }
+        else
+        {
+            if (state == OUT_WORD)
+            {
+                state = IN_WORD;
+            }
+
+            putchar(c);
+        }
+    }
+
+    return 0;
+}
+