193         mWriteFrameStart = mBuffer;  in Clear()
249         if (mWriteFrameStart + kHeaderSize + aSkipLength <= GetArrayEnd(mBuffer))  in SetSkipLength()
251 …    Lib::Utils::LittleEndian::WriteUint16(aSkipLength, mWriteFrameStart + kHeaderSkipLengthOffset);  in SetSkipLength()
267         return Lib::Utils::LittleEndian::ReadUint16(mWriteFrameStart + kHeaderSkipLengthOffset);  in GetSkipLength()
275     uint8_t *GetFrame(void) const { return mWriteFrameStart + kHeaderSize + GetSkipLength(); }  in GetFrame()
305                                                   mWriteFrameStart + kHeaderTotalLengthOffset);  in SaveFrame()
306             mWriteFrameStart = mWritePointer;  in SaveFrame()
331     bool HasSavedFrame(void) const { return (mWriteFrameStart != mBuffer); }  in HasSavedFrame()
353         if (HasSavedFrame() && (aFrame != mWriteFrameStart))  in GetNextSavedFrame()
380         uint16_t len = static_cast<uint16_t>(mWriteFrameStart - mBuffer);  in ClearSavedFrames()
384 …       memmove(mBuffer, mWriteFrameStart, static_cast<uint16_t>(mWritePointer - mWriteFrameStart));  in ClearSavedFrames()
386             mWriteFrameStart -= len;  in ClearSavedFrames()
445     uint8_t *mWriteFrameStart; // Pointer to start of current frame being written.  member in ot::Spinel::MultiFrameBuffer