+struct roff;
+struct mdoc;
+struct man;
+
+void mandoc_msg(enum mandocerr, struct mparse *,
+ int, int, const char *);
+#if __GNUC__ - 0 >= 4
+__attribute__((__format__ (__printf__, 5, 6)))
+#endif
+void mandoc_vmsg(enum mandocerr, struct mparse *,
+ int, int, const char *, ...);
+char *mandoc_getarg(struct mparse *, char **, int, int *);
+char *mandoc_normdate(struct mparse *, char *, int, int);
+int mandoc_eos(const char *, size_t);
+int mandoc_strntoi(const char *, size_t, int);
+const char *mandoc_a2msec(const char*);
+
+void mdoc_free(struct mdoc *);
+struct mdoc *mdoc_alloc(struct roff *, struct mparse *,
+ const char *, int);
+void mdoc_reset(struct mdoc *);
+int mdoc_parseln(struct mdoc *, int, char *, int);
+int mdoc_endparse(struct mdoc *);
+int mdoc_addspan(struct mdoc *, const struct tbl_span *);
+int mdoc_addeqn(struct mdoc *, const struct eqn *);
+
+void man_free(struct man *);
+struct man *man_alloc(struct roff *, struct mparse *, int);
+void man_reset(struct man *);
+int man_parseln(struct man *, int, char *, int);
+int man_endparse(struct man *);
+int man_addspan(struct man *, const struct tbl_span *);
+int man_addeqn(struct man *, const struct eqn *);
+
+int preconv_cue(const struct buf *);
+int preconv_encode(struct buf *, struct buf *, int *);
+
+void roff_free(struct roff *);
+struct roff *roff_alloc(struct mparse *, int);
+void roff_reset(struct roff *);
+enum rofferr roff_parseln(struct roff *, int,
+ char **, size_t *, int, int *);
+void roff_endparse(struct roff *);
+void roff_setreg(struct roff *, const char *, int, char sign);
+int roff_getreg(const struct roff *, const char *);
+char *roff_strdup(const struct roff *, const char *);
+int roff_getcontrol(const struct roff *,
+ const char *, int *);
+int roff_getformat(const struct roff *);
+
+const struct tbl_span *roff_span(const struct roff *);
+const struct eqn *roff_eqn(const struct roff *);