LPSTR & LPCTSTR

LPSTR = char*
LPCSTR = const char*

LPWSTR = wchar_t*
LPCWSTR = const wchar_t*

LPTSTR = char* or wchar_t* depending on _UNICODE
LPCTSTR = const char* or const wchar_t* depending on _UNICODE

定义

References:

https://social.msdn.microsoft.com/Forums/zh-CN/1b994ff3-da28-46a8-90ef-6c7fab8dcd21/lpctstr
https://msdn.microsoft.com/en-us/library/windows/desktop/ff381407(v=vs.85).aspx