data1_node *get_parent_tag(data1_node *n);
data1_node *data1_read_node(char **buf, data1_node *parent, int *line,
data1_absyn *absyn, NMEM m);
data1_node *get_parent_tag(data1_node *n);
data1_node *data1_read_node(char **buf, data1_node *parent, int *line,
data1_absyn *absyn, NMEM m);