Add a "fork" of musl as //fusl.

fusl/src/stat/mknod.c

Index: fusl/src/stat/mknod.c
diff --git a/fusl/src/stat/mknod.c b/fusl/src/stat/mknod.c
new file mode 100644
index 0000000000000000000000000000000000000000..beebd84e08995c36064ea67706ab7e48d95a48a1
--- /dev/null
+++ b/fusl/src/stat/mknod.c
@@ -0,0 +1,12 @@
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "syscall.h"
+
+int mknod(const char *path, mode_t mode, dev_t dev)
+{
+#ifdef SYS_mknod
+	return syscall(SYS_mknod, path, mode, dev);
+#else
+	return syscall(SYS_mknodat, AT_FDCWD, path, mode, dev);
+#endif
+}