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

fusl/src/misc/syscall.c

Index: fusl/src/misc/syscall.c
diff --git a/fusl/src/misc/syscall.c b/fusl/src/misc/syscall.c
new file mode 100644
index 0000000000000000000000000000000000000000..9d435a978579d6121f9c6b9eadbbc3a0a92fe778
--- /dev/null
+++ b/fusl/src/misc/syscall.c
@@ -0,0 +1,19 @@
+#include "syscall.h"
+#include <stdarg.h>
+
+#undef syscall
+
+long syscall(long n, ...)
+{
+	va_list ap;
+	syscall_arg_t a,b,c,d,e,f;
+	va_start(ap, n);
+	a=va_arg(ap, syscall_arg_t);
+	b=va_arg(ap, syscall_arg_t);
+	c=va_arg(ap, syscall_arg_t);
+	d=va_arg(ap, syscall_arg_t);
+	e=va_arg(ap, syscall_arg_t);
+	f=va_arg(ap, syscall_arg_t);
+	va_end(ap);
+	return __syscall_ret(__syscall(n,a,b,c,d,e,f));
+}