Function SspiFreeCredentialsHandleAsync
pub unsafe extern "system" fn SspiFreeCredentialsHandleAsync(
asynccontext: *mut SspiAsyncContext,
phcredential: *const SecHandle,
) -> HRESULT
pub unsafe extern "system" fn SspiFreeCredentialsHandleAsync(
asynccontext: *mut SspiAsyncContext,
phcredential: *const SecHandle,
) -> HRESULT