+
−#ifndef TOPIC_H
+
−#define TOPIC_H
+
−
+
−struct topic; // opaque
+
−
+
−struct topic *topic_create(void);
+
−void topic_destroy(struct topic *);
+
−
+
−void topic_addtitle(struct topic *, const char *);
+
−void topic_addref(struct topic *, const char *);
+
−void topic_setbody(struct topic *, const char *, size_t len);
+
−
+
−const char *topic_getbody(struct topic *);
+
−int topic_getnumtitles(struct topic *);
+
−const char *topic_gettitle(struct topic *, int ix);
+
−int topic_getnumrefs(struct topic *);
+
−const char *topic_getref(struct topic *, int ix);
+
−
+
−#endif /* TOPIC_H */