feat: multi-user system, bug fixes, security & performance fixes, and more

template/sysroot/include/varargs.h

@@ -0,0 +1,7 @@
+#ifndef _VARARGS_H
+#define _VARARGS_H
+
+#error "GCC no longer implements <varargs.h>."
+#error "Revise your code to use <stdarg.h>."
+
+#endif