Function RegOpenKeyA
pub unsafe extern "system" fn RegOpenKeyA(
hkey: HKEY,
lpsubkey: PCSTR,
phkresult: *mut HKEY,
) -> WIN32_ERROR
pub unsafe extern "system" fn RegOpenKeyA(
hkey: HKEY,
lpsubkey: PCSTR,
phkresult: *mut HKEY,
) -> WIN32_ERROR