Functions that find the biggest/smallest number from an arbitrary number of arguments

min_max.h

#include <stdarg.h>
int maxOf(int num, ...)
{
	va_list args;
	int max;
	register int i;
	va_start(args, num);
	for (i = 0; i < num; i++)
	{
		int a = va_arg(args, int);
		if (a > max) max = a;
	}
	return max;
}

int minOf(int num, ...)
{
	va_list args;
	int min;
	register int i;
	va_start(args, num);
	for (i = 0; i < num; i++)
	{
		int a = va_arg(args, int);
		if (a < min) min = a;
	}
	return min;
}