Arduino Timer/Clock

BillHo:
#include <LiquidCrystal.h>
// include header file for time function
#include <Time.h>
.....

I tried, but I got the following message:

Time.ino: In function 'void digitalClockDisplay()':
Time:157: error: 'setOffAlarm' was not declared in this scope
Time.ino: In function 'void button_loop()':
Time:189: error: 'read_LCD_buttons' was not declared in this scope
Time:192: error: 'timedBeep' was not declared in this scope
Time.ino: In function 'void selectMenu()':
Time:215: error: 'lcdClear' was not declared in this scope
Time:220: error: 'read_LCD_buttons' was not declared in this scope
Time:223: error: 'timedBeep' was not declared in this scope
Time:248: error: 'timedBeep' was not declared in this scope
Time:254: error: 'timedBeep' was not declared in this scope
Time:263: error: 'setAlarm' was not declared in this scope
Time:269: error: 'timedBeep' was not declared in this scope
Time:271: error: 'setDateTime' was not declared in this scope
Time:276: error: 'timedBeep' was not declared in this scope
Time:277: error: 'stopwatch_time_counter' was not declared in this scope
Time.ino: In function 'void clearAlarm()':
Time:290: error: 'lcdClear' was not declared in this scope
Time:304: error: 'read_LCD_buttons' was not declared in this scope
Time:307: error: 'timedBeep' was not declared in this scope
Time:312: error: 'timedBeep' was not declared in this scope
Time:317: error: 'timedBeep' was not declared in this scope
Time.ino: In function 'void minuteTimer()':
Time:342: error: 'getTimerMinutes' was not declared in this scope
Time:345: error: 'timedCountDown' was not declared in this scope
Time:349: error: 'timerCancelled' was not declared in this scope

What is wrong?