Function windows::Win32::Globalization::ucnv_setFromUCallBack

pub unsafe fn ucnv_setFromUCallBack(
    converter: *mut UConverter,
    newaction: UConverterFromUCallback,
    newcontext: *const c_void,
    oldaction: *mut UConverterFromUCallback,
    oldcontext: *const *const c_void,
    err: *mut UErrorCode
)