040000 tree 63dfccb0f8db81adf63a2663ab3b00a4b14163be	bionic
040000 tree 3998be28d1fbe3eb3c5ca80e6b097b4e9a2abf59	darwin
040000 tree a5046d7ad19e3d8f71fbf15d5a8b90a43c9d18a3	dragonflybsd
040000 tree 774637f01066d7227943f69986f8014a2e321723	elf
040000 tree ec47d30a7101d79a249ec0605d3a37a3705060bc	freebsd
040000 tree 69cdcff750912d2d442b5bfb4e886fc043c8c18f	linux
040000 tree fea131cc0489b3527ab95b672500c40961b55c0f	netbsd
040000 tree 72bb5079a4032dd8439e018fbc3202b53c4510f7	openbsd
040000 tree 32249bfecdedce8deed8c057a9efa46164d8def5	posix
040000 tree 09025af70946e2849fac35b5ec806d60f66c6e8e	solaris
040000 tree 772066a1cd001ce0506d09aab26a3654a15663f7	windows