diff --git a/c-basic/hello.c b/c-basic/hello.c
index 2154a58..2140052 100644
--- a/c-basic/hello.c
+++ b/c-basic/hello.c
@@ -1,8 +1,5 @@
 #include <stdio.h>
 
-int hello()
-{
-  printf("Hello C Programming Language 2025 Examples\n");
-
-  return 0;
+void hello() {
+   printf("Hello C Programming Language 2025 Examples\n");
 }
diff --git a/c-basic/hello.h b/c-basic/hello.h
new file mode 100644
index 0000000..f19e5d3
--- /dev/null
+++ b/c-basic/hello.h
@@ -0,0 +1,6 @@
+#ifndef HELLO_H
+#define HELLO_H
+
+void hello();
+
+#endif
diff --git a/c-basic/main.c b/c-basic/main.c
index 0d3132a..4579bdd 100644
--- a/c-basic/main.c
+++ b/c-basic/main.c
@@ -1,10 +1,7 @@
 #include <stdio.h>
-#include "hello.c"
+#include "hello.h"
 
-int main()
-{
-
-  hello();
-  
-  return 0;
+int main() {
+    hello();
+    return 0;
 }
diff --git a/main b/main
deleted file mode 100755
index 59dab49..0000000
Binary files a/main and /dev/null differ