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040000 tree b56077e23e15f09c1cb8d8bdd3039fda0fc8f8e5	elf
040000 tree 0aa98c5d5ae5a16d4d4a7fe119572f2c48ac3b15	freebsd
040000 tree 8f368a09cdf8876fd3a5215d2e120c1732c7e68e	linux
040000 tree cae7b63f9803b92229bb5eb8e1f0e9a845fe0c79	netbsd
040000 tree da854fd7e98706ec6e55151a6d74c0ebdfa56c75	openbsd
040000 tree 2ef63ed58cf59f1f75ad194db8eb03f67f5b355c	posix
040000 tree 59653eb207c9e04c2b927e3b09edee14f41bb52a	solaris
040000 tree cd5ad7e153f97797d4d78bcddf994a77991329f5	windows