XRayFrameGetPrev  567 native_client_sdk/src/libraries/xray/xray.c   int index = XRayFrameGetPrev(capture, head);
XRayFrameGetPrev  585 native_client_sdk/src/libraries/xray/xray.c     index = XRayFrameGetPrev(capture, index);
XRayFrameGetPrev  680 native_client_sdk/src/libraries/xray/xray.c   int last_frame = XRayFrameGetPrev(capture, capture->frame.head);