char *stripnl(char *s);
void open_log();
void log(const char *fmt, ...);
int checkdir(char *dir);
int check_user();
int check_assgn(char *assgn);
int do_item(char *item);
int do_dir(char *source, char *dest);
int file_copy(char *source, char *dest, struct stat st);
int get_choice();
long fromdate(long month, long day, long year);
int parse_fields(char **fields, char *input, char *delim, int max_fields);