pub unsafe extern "system" fn ucnv_setToUCallBack(
    converter: *mut UConverter,
    newaction: UConverterToUCallback,
    newcontext: *const c_void,
    oldaction: *mut UConverterToUCallback,
    oldcontext: *const *const c_void,
    err: *mut UErrorCode
)
Expand description

Required features: "Win32_Globalization"