Function libxslt::bindings::ucnv_setToUCallBack_60

pub unsafe extern "C" fn ucnv_setToUCallBack_60(
    converter: *mut UConverter, 
    newAction: Option<unsafe extern "C" fn(*const c_void, *mut UConverterToUnicodeArgs, *const i8, i32, u32, *mut i32)>, 
    newContext: *const c_void, 
    oldAction: *mut Option<unsafe extern "C" fn(*const c_void, *mut UConverterToUnicodeArgs, *const i8, i32, u32, *mut i32)>, 
    oldContext: *mut *const c_void, 
    err: *mut i32
)