-void man_word_alloc(struct roff_man *, int, int, const char *);
-void man_word_append(struct roff_man *, const char *);
-void man_block_alloc(struct roff_man *, int, int, int);
-void man_head_alloc(struct roff_man *, int, int, int);
-void man_body_alloc(struct roff_man *, int, int, int);
-void man_elem_alloc(struct roff_man *, int, int, int);
-void man_node_delete(struct roff_man *, struct roff_node *);