struct LASPoint {
    float nfX;
    float nfY;
    float nfZ;
    float nfIntensity;
}

class CLASReader {
    FILE *fp;
    u_int64_t nNextPt;
public:
    CLASReader(char *pszFilename);
    ~CLASReader();

    char *GetHeaderRecord(char *pszEntryName); /* assuming header has hash 
                                                 table-like entries */
    LASPoint *GetPointRecord(u_int64_t nPointID); /* find a safer type :/ */

    LASPoint *GetNextPoint();
    void *Rewind();
}