Left off on exercise 1.23

ch_01/exercise_01-17/main.c

@@ -0,0 +1,48 @@
+/*
+ *
+ * Exercise 1-17. Write a program to print all input lines that are longer than 80
+ * characters
+ *
+ * Author: Kun Deng
+ */
+
+#include <stdio.h>
+
+#define LINE_LIMIT_COUNT 80
+#define LINE_MAX 1000
+
+int get_line(char line[]);
+
+
+int main(int argc, char **argv)
+{
+    char line[LINE_MAX];
+    int length = 0;
+
+    printf("Enter a sequence of characters.\n");
+    printf("Lines that are greater than %d will be printed to the output\n", LINE_LIMIT_COUNT);
+
+    while(length = get_line(line))
+    {
+        if (length > LINE_LIMIT_COUNT)
+        {
+            printf("%s\n", line);
+        }
+    }
+}
+
+int get_line(char line[])
+{
+    int i = 0;
+    int c;
+
+    for (; ((c = getchar()) != EOF) && c != '\n'; ++i)
+    {
+        line[i] = c;
+    }
+
+    line[i] = '\0';
+
+
+    return i;
+}