diff --git a/src/login_module.c b/src/login_module.c
new file mode 100644
index 0000000..7ee6b24
--- /dev/null
+++ b/src/login_module.c
@@ -0,0 +1,6 @@
+/* Login feature source file for Git branch practice. */
+
+int Login_CheckCredentials(const char *user, const char *password)
+{
+    return (user != 0) && (password != 0);
+}