19       pb_istream_t istream;  in main()  local
30       istream = pb_istream_from_buffer(buffer, message_length);  in main()
31       TEST(pb_decode(&istream, Message1_fields, &msg_b));  in main()
33       TEST(istream.bytes_left == 0);  in main()
43       pb_istream_t istream;  in main()  local
57       istream = pb_istream_from_buffer(buffer, message_length);  in main()
58       TEST(pb_decode(&istream, Message2_fields, &msg_b));  in main()
60       TEST(istream.bytes_left == 0);  in main()
70       pb_istream_t istream;  in main()  local
105       istream = pb_istream_from_buffer(buffer, message_length);  in main()
106       TEST(pb_decode(&istream, Message3_fields, &msg_b));  in main()
108       TEST(istream.bytes_left == 0);  in main()