Guo Ren 6047813915 csky: add Copyright. 6 lat temu
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cachectl.h 6047813915 csky: add Copyright. 6 lat temu
procfs.h 6047813915 csky: add Copyright. 6 lat temu
ucontext.h 6047813915 csky: add Copyright. 6 lat temu
user.h 6047813915 csky: add Copyright. 6 lat temu