/* Prototypes for functions defined in cal2ct.c */
int getopt(int ,
           char **,
           char *);
void main(int ,
          char **);
int read_cal_file(void);
int write_ct_file(void);
int parse_cal_date(char *);
void fix_current_day(void);
int monthlength(int );
int ymd_compare(struct tm ,
                struct tm );
int parse_date(char *,
               int );
void err_rpt(char *,
             int );
int dysize(int );