#include <avr/io.h>
#include <avr/eeprom.h>

int main(void) {

  // Store the 8-bit value 5 in EEPROM slot 0
  uint8_t *address = (uint8_t *) 0;
  eeprom_update_byte(address, 5);

  // Store the 16-bit value 12345 in EEPROM slots 5 and 6:
  eeprom_update_word((uint16_t *) 5, 12345);

  // Store a character array (string) in EEPROM slots 16-28:
  char *stringPointer = (char *) 16;
  char myString[] = "hello world.";
  eeprom_update_block(myString, stringPointer, sizeof(myString));

  return 0;
}