https://lists.samba.org/archive/samba-technical/2015-June/108058.html
[PATCH] OS X SMB2 AAPL copyfile extension
os xpatchaaplcopyfileextension
https://api.xyry.org/topics/XEngine_SystemSdk/XEngine_SystemApi/SystemApi_File/SystemApi_File_CopyFile.htm
SystemApi_File_CopyFile
file