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windows-sys 0.61.2

Rust for Windows
Documentation 
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mod literals;

#[doc(hidden)]
pub use literals::*;

pub type BOOL = i32;
pub type HRESULT = i32;
pub type PSTR = *mut u8;
pub type PWSTR = *mut u16;
pub type PCSTR = *const u8;
pub type PCWSTR = *const u16;
pub type BSTR = *const u16;
pub type HSTRING = *mut core::ffi::c_void;

#[repr(C)]
#[derive(Copy, Clone, Default)]
pub struct GUID {
    pub data1: u32,
    pub data2: u16,
    pub data3: u16,
    pub data4: [u8; 8],
}

impl GUID {
    pub const fn from_u128(uuid: u128) -> Self {
        Self { data1: (uuid >> 96) as u32, data2: (uuid >> 80 & 0xffff) as u16, data3: (uuid >> 64 & 0xffff) as u16, data4: (uuid as u64).to_be_bytes() }
    }
}

pub const IID_IUnknown: GUID = GUID::from_u128(0x00000000_0000_0000_c000_000000000046);

#[repr(C)]
pub struct IUnknown_Vtbl {
    pub QueryInterface: unsafe extern "system" fn(this: *mut core::ffi::c_void, iid: *const GUID, interface: *mut *mut core::ffi::c_void) -> HRESULT,
    pub AddRef: unsafe extern "system" fn(this: *mut core::ffi::c_void) -> u32,
    pub Release: unsafe extern "system" fn(this: *mut core::ffi::c_void) -> u32,
}

pub const IID_IInspectable: GUID = GUID::from_u128(0xaf86e2e0_b12d_4c6a_9c5a_d7aa65101e90);

#[repr(C)]
pub struct IInspectable_Vtbl {
    pub base: IUnknown_Vtbl,
    pub GetIids: unsafe extern "system" fn(this: *mut core::ffi::c_void, count: *mut u32, values: *mut *mut GUID) -> HRESULT,
    pub GetRuntimeClassName: unsafe extern "system" fn(this: *mut core::ffi::c_void, value: *mut *mut core::ffi::c_void) -> HRESULT,
    pub GetTrustLevel: unsafe extern "system" fn(this: *mut core::ffi::c_void, value: *mut i32) -> HRESULT,
}