Function windows_sys::Win32::System::Threading::InitOnceExecuteOnce

pub unsafe extern "system" fn InitOnceExecuteOnce(
    initonce: *mut RTL_RUN_ONCE, 
    initfn: PINIT_ONCE_FN, 
    parameter: *mut c_void, 
    context: *mut *mut c_void
) -> BOOL

Required features: "Win32_System_Threading", "Win32_Foundation"