// varia.c
# include "alfa.h"

double Max (double a, double b) {return a<=b ? b : a;}

double Max3 (double a, double b, double c) {return Max(a,Max(b,c));}

double Min (double a, double b) {return a<=b ? a : b;}

double Min3 (double a, double b, double c) {return Min(a,Min(b,c));}

void Provapuntatori ()
{char *A; int *B; double *C; int k;
for (k=0;k<3;k++) printf("%ld %ld %ld\n",A+k,B+k,C+k);}