! @function
@abstract Get length of auxiliary data
@param b pointer to an alignment
@return length of the concatenated auxiliary data
/#define bam_get_l_aux(b) ((b)->l_data - ((b)->core.n_cigar<<2) - (b)->core.l_qname - (b)->core.l_qseq - (((b)->core.l_qseq + 1)>>1))
! @function @abstract Get length of auxiliary data @param b pointer to an alignment @return length of the concatenated auxiliary data /#define bam_get_l_aux(b) ((b)->l_data - ((b)->core.n_cigar<<2) - (b)->core.l_qname - (b)->core.l_qseq - (((b)->core.l_qseq + 1)>>1))