inttest/proto_gpb/proto/c/test4.proto (15 lines of code) (raw):

// -*- c-basic-offset: 4; indent-tabs-mode: nil -*- // ex: ts=4 sw=4 et package test4; service test4 { rpc testRpc4(RPC_INPUT4) returns (RPC_OUTPUT4); } message RPC_INPUT4 { optional string str = 1; } message RPC_OUTPUT4 { optional string str = 1; }