int folder_addmsg(struct msgs **, char *, int, int, int, int, char *);
int folder_delmsgs(struct msgs *, int, int);
void folder_free(struct msgs *);
-int folder_pack(struct msgs **, int);
struct msgs *folder_read(char *);
struct msgs *folder_realloc(struct msgs *, int, int);
int gans(char *, struct swit *);