Function CredUnPackAuthenticationBufferW
pub unsafe fn CredUnPackAuthenticationBufferW(
dwflags: CRED_PACK_FLAGS,
pauthbuffer: *const c_void,
cbauthbuffer: u32,
pszusername: Option<PWSTR>,
pcchmaxusername: *mut u32,
pszdomainname: Option<PWSTR>,
pcchmaxdomainname: Option<*mut u32>,
pszpassword: Option<PWSTR>,
pcchmaxpassword: *mut u32,
) -> Result<()>