created feature1

feature1.c

@@ -0,0 +1,6 @@
+#include "feature1.h"
+
+void feature1()
+{
+	printf("feature1\n");
+}

feature1.h

@@ -0,0 +1,6 @@
+#ifndef _FEATURE1_H_
+#define _FEATURE1_H_
+
+void feature1();
+
+#endif

main.c

@@ -1,8 +1,9 @@
-
+#include "feature1.h"
 
 
 int main(void)
 {
-	return 0;
 	printf("Hello, World!");
+	feature1();
+	return 0;
 }