#ifndef DATETIME_FUNCTIONS_H #define DATETIME_FUNCTIONS_H TimeADT *hhmm_in(char *str); char *hhmm_out(TimeADT *time); TimeADT *hhmm(TimeADT *time); TimeADT *time_difference(TimeADT *time1, TimeADT *time2); int4 time_hours(TimeADT *time); int4 time_minutes(TimeADT *time); int4 time_seconds(TimeADT *time); int4 as_minutes(TimeADT *time); int4 as_seconds(TimeADT *time); int4 date_day(DateADT val); int4 date_month(DateADT val); int4 date_year(DateADT val); TimeADT *currenttime(void); DateADT currentdate(void); #endif