gboolean track_save(void);
gboolean track_open(void);
+void track_show_distance_from_first();
+void track_show_distance_from_last();
+void track_show_distance_from(Point * point);
+void path_wresize(Path * path, guint wsize);
+void path_resize(Path * path, guint size);
+
#define TRACK_SQL_SELECT_TRACKS "select id,name,sloc,eloc,sdate,edate from tracks order by sdate"
#define TRACK_SQL_INSERT_TRACK "insert into tracks (id,name,sloc,sdate) values (?,?,?,?);
#define TRACK_SQL_INSERT_TRACK_POINT "insert into trackpoints (tid,dt,lat,lon,alt,hdop,vdop,pdop,sat,fix) values (?,?,?,?,?,?,?,?,?,?)"