Add build system scaffolding and libc headers

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/libc/stdio/putchar.c b/lib/libc/stdio/putchar.c
new file mode 100644
index 00000000..f54bb9d7
--- /dev/null
+++ b/lib/libc/stdio/putchar.c
@@ -0,0 +1,9 @@
+#include <libc.h>
+#include <stdio.h>
+
+int putchar(int c)
+{
+	return putc(c, stdout);
+}
+
+weak_reference(putchar, putchar_unlocked);