kernel: port init's `printf` implementation

1 files changed, 6 insertions, 0 deletions

diff --git a/src/shared/printf.h b/src/shared/printf.h
new file mode 100644
index 0000000..45fd358
--- /dev/null
+++ b/src/shared/printf.h
@@ -0,0 +1,6 @@
+#pragma once
+#include <stdarg.h>
+#include <stddef.h>
+
+int __printf_internal(const char *fmt, va_list argp,
+		void (*back)(void*, const char*, size_t), void *back_arg);