more hello world (pink window)

1 files changed, 5 insertions, 0 deletions

diff --git a/die.h b/die.h
new file mode 100644
index 0000000..a3f391d
--- /dev/null
+++ b/die.h
@@ -0,0 +1,5 @@
+#pragma once
+
+/** @brief print error and exit */
+void die(const char*, ...);
+