VC 관련 디렉토리에 C standard header가 없는 이유 :

[씨알메리(crmerry)]

https://social.msdn.microsoft.com/Forums/vstudio/en-US/cfa48739-cd32-43d2-9d27-2b6653da6645/canf-find-standard-c-header-file-in-visual-studio-2015-community-version?forum=vclanguage

The C runtime has become a OS component and its headers and libraries are now part of the Windows SDK instead of VC++. I don't have a machine with VS2015 handy to check the exact paths but search for them in C:\Program Files (x86)\Windows Kits\. If you can't find there then something went wrong during VS install.

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