74     size_t red = mPipe.mMaxFrames - front;  in read()  local
75     if (CC_LIKELY(red > count)) {  in read()
76         red = count;  in read()
79     memcpy(buffer, (char *) mPipe.mBuffer + (front * mFrameSize), red * mFrameSize);  in read()
81     if (CC_UNLIKELY(front + red == mPipe.mMaxFrames)) {  in read()
82         if (CC_UNLIKELY((count -= red) > front)) {  in read()
86             memcpy((char *) buffer + (red * mFrameSize), mPipe.mBuffer, count * mFrameSize);  in read()
87             red += count;  in read()
90     mFront += red;  in read()
91     mFramesRead += red;  in read()
92     return red;  in read()