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    if(magicnumber == ZSTD_SEEKABLE_MAGICNUMBER){
        unsigned char sfd = *((unsigned char*)(footer + 4));
        unsigned checksumFlag = sfd >> 7;

        /* check reserved bits */
        if ((sfd >> 2) & 0x1f) {
           DEBUG("last frame checksumFlag= %x: Bits 3-7 should be zero\n",(unsigned int)sfd);
       return -1;
        }
    unsigned const numFrames = *((unsigned *)footer);
    unsigned const sizePerEntry = 8 + (checksumFlag ? 4 : 0);
    unsigned const tableSize = sizePerEntry * numFrames;
        unsigned const frameSize = tableSize + ZSTD_seekTableFooterSize + ZSTD_SKIPPABLEHEADERSIZE;
    
        void *frame = buff + (size - frameSize);
    unsigned skippableHeader = *((unsigned *)frame);
    if(skippableHeader != (ZSTD_MAGIC_SKIPPABLE_START | 0xE)){
             DEBUG("last frame Header = %u does not match magic number %u\n",skippableHeader, (ZSTD_MAGIC_SKIPPABLE_START | 0xE));
             return -1;
        }

        unsigned FrameSize = *((unsigned *)(frame + 4));
        if(FrameSize + ZSTD_SKIPPABLEHEADERSIZE != frameSize){
            DEBUG("last frame size = %u does not match expected size = %u\n", FrameSize + ZSTD_SKIPPABLEHEADERSIZE, frameSize);
            return -1;
        }

        void *table = frame + ZSTD_SKIPPABLEHEADERSIZE;
        for(unsigned i = 0; i < numFrames; i++){
        unsigned cOffset = *((unsigned *)(table + (i * sizePerEntry)));
        unsigned dOffset = *((unsigned *)(table + (i * sizePerEntry) + 4));
        ZSTDSeek_addJumpTableRecord(sctx->jt, cOffsetCum, dOffsetCum);
        }

        sctx->jumpTableFullyInitialized = 1;
        return 0;
}
}