SelectNextProtoCallback 278 net/socket/ssl_client_socket_openssl.cc SSL_CTX_set_next_proto_select_cb(ssl_ctx_.get(), SelectNextProtoCallback, SelectNextProtoCallback 317 net/socket/ssl_client_socket_openssl.cc return socket->SelectNextProtoCallback(out, outlen, in, inlen); SelectNextProtoCallback 148 net/socket/ssl_client_socket_openssl.h int SelectNextProtoCallback(unsigned char** out, unsigned char* outlen,