MatroskaSeekhead  450 libavformat/matroskadec.c     { MATROSKA_ID_SEEKID,             EBML_UINT, 0, offsetof(MatroskaSeekhead,id) },
MatroskaSeekhead  451 libavformat/matroskadec.c     { MATROSKA_ID_SEEKPOSITION,       EBML_UINT, 0, offsetof(MatroskaSeekhead,pos), {.u=-1} },
MatroskaSeekhead  456 libavformat/matroskadec.c     { MATROSKA_ID_SEEKENTRY,          EBML_NEST, sizeof(MatroskaSeekhead), offsetof(MatroskaDemuxContext,seekhead), {.n=matroska_seekhead_entry} },
MatroskaSeekhead 1072 libavformat/matroskadec.c         MatroskaSeekhead *seekhead = seekhead_list->elem;