text: #ifndef _RTC_HANDLER_H
  #define _RTC_HANDLER_H
  #ifndef ASM
  
  /* Function: Updates interrupt count for each process. */
  extern void rtc_handler();
  
  /* Initializes RTC. Turns on IRQ with rate of 256 Hz. */
  extern void rtc_init();
  
  #define RTC_PORT 0x70
  #define CMOS_PORT 0x71
  #define RTC_IRQ     8
  
  #endif
  #endif
  