bcf_ginfo_t *gi; // array of geno fields
int n_alleles, n_smpl; // number of alleles and samples
// derived info: ref, alt, flt, info, fmt (<-str), n_gi (<-fmt), n_alleles (<-alt), n_smpl (<-bcf_hdr_t::n_smpl)
bcf_ginfo_t *gi; // array of geno fields
int n_alleles, n_smpl; // number of alleles and samples
// derived info: ref, alt, flt, info, fmt (<-str), n_gi (<-fmt), n_alleles (<-alt), n_smpl (<-bcf_hdr_t::n_smpl)