//go:build !linux && !windows && !darwin package quic import ( "syscall" ) func setDF(syscall.RawConn) (bool, error) { // no-op on unsupported platforms return false, nil } func isSendMsgSizeErr(err error) bool { // to be implemented for more specific platforms return false } func isRecvMsgSizeErr(err error) bool { // to be implemented for more specific platforms return false }