Type Definition libxml::bindings::xmlRelaxNGValidityWarningFunc

type xmlRelaxNGValidityWarningFunc = Option<unsafe extern "C" fn(ctx: *mut c_void, msg: *const c_char, ...)>;

xmlRelaxNGValidityWarningFunc: @ctx: the validation context @msg: the message @…: extra arguments

Signature of a warning callback from a Relax-NG validation