README, and a Year 2038 doomsday clock.

doomsday-clock-of-doom.c

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+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <unistd.h>
+
+unsigned long long divideAndCarry(unsigned long long numerator, unsigned long long divisor, unsigned long long * remainder)
+{
+	*remainder = numerator % divisor;
+	return numerator / divisor;
+}
+
+void main()
+{
+	time_t currentTime;
+	time(&currentTime);
+	unsigned long long remaining_time, remainder, years, months, days, hours, minutes, seconds;
+	while(1)
+	{
+		time(&currentTime);
+		remainder = (unsigned long long)difftime(INT_MAX, currentTime);
+		years = divideAndCarry(remainder, 31557600, &remainder);
+		months = divideAndCarry(remainder, 2629800, &remainder);
+		days = divideAndCarry(remainder, 86400, &remainder);
+		hours =	divideAndCarry(remainder, 3600, &remainder);
+		minutes =  divideAndCarry(remainder, 60, &remainder);
+		seconds = remainder % 60;
+		printf("\e[1;1H\e[2J");
+		printf("= TIME UNTIL THE YEAR 2038 ENDS ALL LIFE ON EARTH =\n\n");
+		printf("\tYears: %02d, Months:  %02d, Days:    %02d\n"
+			   "\tHours: %02d, Minutes: %02d, Seconds: %02d\n\n",
+			   years, months, days, hours, minutes, seconds);
+		printf("= AAAAAAAAAAAH! IT'S SO VERY SCARY! AAAAAAAAAAAH! =\n");
+		sleep(1);
+
+	}
+}