size_t btr_next_buffer_omit(struct btr_node *btrn, size_t omit, char **bufp);
void btr_consume(struct btr_node *btrn, size_t numbytes);
int btr_exec_up(struct btr_node *btrn, const char *command, char **value_result);
size_t btr_next_buffer_omit(struct btr_node *btrn, size_t omit, char **bufp);
void btr_consume(struct btr_node *btrn, size_t numbytes);
int btr_exec_up(struct btr_node *btrn, const char *command, char **value_result);