diff --git a/c-basic/main.c b/c-basic/main.c
index d1b8490..69089bb 100644
--- a/c-basic/main.c
+++ b/c-basic/main.c
@@ -1,13 +1,10 @@
 #include <stdio.h>
-#include "print_example.h"
+#include "scanf_example.h"
 
 int main() {
 
-  print_example();
+  my_scan();
     
     return 0;
 }
 
-/**
-   gcc main.c print_example.c -o print_example
- **/
diff --git a/c-basic/scanf_example.c b/c-basic/scanf_example.c
index 3d30fed..675e810 100644
--- a/c-basic/scanf_example.c
+++ b/c-basic/scanf_example.c
@@ -1,4 +1,4 @@
-#include <stdio.h>
+#include "scanf_example.h"
 
 int my_scan()
 {
diff --git a/c-basic/scanf_example.h b/c-basic/scanf_example.h
new file mode 100644
index 0000000..6c8fbfc
--- /dev/null
+++ b/c-basic/scanf_example.h
@@ -0,0 +1,8 @@
+#ifndef SCANF_EXAMPLE_H
+#define SCANF_EXAMPLE_H
+
+#include <stdio.h>
+
+int my_scan();
+
+#endif