C/math.h/fmin
fmin: returns the lesser of a and b
//Declaration: float fminf(float a, float b);
double fmin(double a, double b);
long double fminl(long double a, long double b);
#include <math.h>
#include <stdio.h>
int main(void)
{
printf("%l", fminl (10,12));
}