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040000 tree 832d3a0d7d10d35b22e49ecc7be535cba687e4b4	darwin
040000 tree 76583b9f52fae5b2ac7c0409265c29069856063c	dragonflybsd
040000 tree e7571d700f287b12a526583b51f0d4f7ce1899dd	elf
040000 tree 510dac5701628f9425e484cac2315bec98111c8c	freebsd
040000 tree 58230db73f64f9b92442abaa9047437753c6cc1a	linux
040000 tree c3719cd783c212a9237cbe562a888a0ed3a0e197	netbsd
040000 tree 4c93f259df09c701c8cba68fbc3d093e2a3873c1	openbsd
040000 tree fabac466f239ccda887ef9015ca91b238554fa84	posix
040000 tree 2553406b82ab1e705cad1c238a7fbcbc5ff6cec3	solaris
040000 tree c6f648a2d11697ac83e00e3bc41b8584cf214a36	windows