RegSaveKeyExA

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
nothrow extern (Windows)
static if(_WIN32_WINNT >= 0x501)
LONG
RegSaveKeyExA
(
HKEY
,
LPCSTR
,
LPSECURITY_ATTRIBUTES
,
DWORD
)

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