Function RegDeleteKeyValueA
pub unsafe extern "system" fn RegDeleteKeyValueA(
hkey: HKEY,
lpsubkey: PCSTR,
lpvaluename: PCSTR,
) -> WIN32_ERROR
pub unsafe extern "system" fn RegDeleteKeyValueA(
hkey: HKEY,
lpsubkey: PCSTR,
lpvaluename: PCSTR,
) -> WIN32_ERROR