Type Alias windows_sys::Wdk::System::SystemServices::pHalQuerySystemInformation

pub type pHalQuerySystemInformation = Option<unsafe extern "system" fn(informationclass: HAL_QUERY_INFORMATION_CLASS, buffersize: u32, buffer: *mut c_void, returnedlength: *mut u32) -> NTSTATUS>;

Required features: "Win32_Foundation"

Aliased Type

enum pHalQuerySystemInformation {
    None,
    Some(unsafe extern "system" fn(_: i32, _: u32, _: *mut c_void, _: *mut u32) -> i32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: i32, _: u32, _: *mut c_void, _: *mut u32) -> i32)

Some value of type T.