QuicSequenceNumberLength sequence_number_length);
// Returns a SerializedPacket whose |packet| member is owned by the caller,
- // is created from the first |num_frames| frames, or is NULL if the packet
+ // is created from the first |num_frames| frames, or is nullptr if the packet
// could not be created. The packet must be of size |packet_size|.
SerializedPacket BuildDataPacket(const QuicPacketHeader& header,
const QuicFrames& frames,
size_t packet_size);
// Returns a SerializedPacket whose |packet| member is owned by the caller,
- // and is populated with the fields in |header| and |fec|, or is NULL if the
- // packet could not be created.
+ // and is populated with the fields in |header| and |fec|, or is nullptr if
+ // the packet could not be created.
SerializedPacket BuildFecPacket(const QuicPacketHeader& header,
const QuicFecData& fec);