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040000 tree b11f2a0b8da8fec27bdd5559294a219d434c1c5c	darwin
040000 tree 71e2a0db5828910b1818bd8b75d461a8b404c43f	dragonflybsd
040000 tree 774637f01066d7227943f69986f8014a2e321723	elf
040000 tree af4c8ca8c7290edf21efe38f15cd5caa3a24e65d	freebsd
040000 tree 37debdf2a98f6163b1e0af9516b3a3611c54f6eb	linux
040000 tree cae7b63f9803b92229bb5eb8e1f0e9a845fe0c79	netbsd
040000 tree ee37388a3c8c86f301b12d6ddd8efd0343f4d8d5	openbsd
040000 tree c5f7259f525c3e55fbc3c827605aa911cd294782	posix
040000 tree 59653eb207c9e04c2b927e3b09edee14f41bb52a	solaris
040000 tree a48059c3796d31ca2578912be12f5cde461b2d6c	windows