char *expandfol(char *);
char *expanddir(char *);
int ext_hook(char *, char *, char *);
-int fdcompare(int, int);
int folder_addmsg(struct msgs **, char *, int, int, int, int, char *);
int folder_delmsgs(struct msgs *, int, int);
void folder_free(struct msgs *);
** from the former mts.h
*/
char *LocalName(void); /* hostname */
-char *SystemName(void);
char *getusername(void);
char *getfullname(void);