Add build system scaffolding and libc headers

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/libc/unistd/_exit.c b/lib/libc/unistd/_exit.c
new file mode 100644
index 00000000..ffd502c4
--- /dev/null
+++ b/lib/libc/unistd/_exit.c
@@ -0,0 +1,7 @@
+#include <syscall.h>
+
+void _exit(int status)
+{
+	__syscall(exit, status);
+	__builtin_unreachable();
+}