// alfa.h

# include <ctype.h>
# include <complex.h>
# include <dirent.h>
# include <errno.h>
# include <fcntl.h>
# include <float.h>
# include <grp.h>
# include <limits.h>
# include <locale.h>
# include <math.h>
# include <pwd.h>
# include <signal.h>
# include <stdarg.h>
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <sys/stat.h>
# include <sys/times.h>
# include <sys/types.h>
# include <time.h>
# include <unistd.h>
///////////////////////////////////////////////////////////
# define CMPi M_PI
# define CMPid180 0.01745329
# define CM180dPi 57.29577951

typedef void *Void;
typedef char *Char;
typedef int *Int;
typedef uint *Uint; // uint e ulong sono dichiarati in <sys/types.h>.
typedef ulong *Ulong; // ulong 
typedef double *Double;
typedef void (*Funzione)();
typedef int (*Funzioneintera)();
typedef double (*Funzionedouble)();

extern double tabcos[], tabsen[];
///////////////////////////////////////////////////////////
void Creatabtrig(), Frgder(double,double,Double,Double),
  Hsvdargb(), Provacolori(), Provapuntatori(), Rgbdahsv();

double Frgd(double, double), Frgr(double,double),
  Ftcg(double), Ftcgt(double), Ftsg(double), Ftsgt(double),
  Max(double,double), Max3(double,double,double),
  Min(double,double), Min3(double,double,double),
  Prodottoscalare();

Double Hadamard();