char *bcf_fmt(const bcf_hdr_t *h, bcf1_t *b);
// append more info
int bcf_append_info(bcf1_t *b, const char *info, int l);
+ // remove tag
+ int remove_tag(char *string, const char *tag, char delim);
+ // remove info tag, string is the kstring holder of bcf1_t.str
+ void rm_info(kstring_t *string, const char *key);
// copy
int bcf_cpy(bcf1_t *r, const bcf1_t *b);