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

fusl/src/dirent/__getdents.c

Index: fusl/src/dirent/__getdents.c
diff --git a/fusl/src/dirent/__getdents.c b/fusl/src/dirent/__getdents.c
new file mode 100644
index 0000000000000000000000000000000000000000..1acd5a696aa66fa8dc51ce38086aa3f80d7e0bce
--- /dev/null
+++ b/fusl/src/dirent/__getdents.c
@@ -0,0 +1,12 @@
+#include <dirent.h>
+#include "syscall.h"
+#include "libc.h"
+
+int __getdents(int fd, struct dirent *buf, size_t len)
+{
+	return syscall(SYS_getdents, fd, buf, len);
+}
+
+weak_alias(__getdents, getdents);
+
+LFS64(getdents);