@param n Initial number of targets
@param fmt Format, one of HTS_FMT_CSI, HTS_FMT_BAI or HTS_FMT_TBI
@param offset0 Initial file offset
@param min_shift Number of bits for the minimal interval
@param n_lvls Number of levels in the binning index
@return An initialised hts_idx_t struct on success; NULL on failure
The struct returned by a successful call should be freed via hts_idx_destroy()
when it is no longer needed.
@param n Initial number of targets @param fmt Format, one of HTS_FMT_CSI, HTS_FMT_BAI or HTS_FMT_TBI @param offset0 Initial file offset @param min_shift Number of bits for the minimal interval @param n_lvls Number of levels in the binning index @return An initialised hts_idx_t struct on success; NULL on failure
The struct returned by a successful call should be freed via hts_idx_destroy() when it is no longer needed.