// alfa.h

# include <ctype.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 CME M_E
# define CMPi M_PI
# define CMPid180 0.01745329
# define CM180dPi 57.29577951
# define CMR2Pi 2.506628274631000686
# define CMR2 M_SQRT2

typedef void *Void;
typedef char *Char;
typedef int *Int;
typedef uint *Uint;
// uint e ulong sono dichiarati in <sys/types.h>.
typedef ulong *Ulong;
typedef double *Double;
typedef void (*Funzione)();
typedef int (*Funzioneintera)();
typedef double (*Funzionedouble)();
///////////////////////////////////////
typedef struct {double x,y;} nc;
///////////////////////////////////////
void Aggiungifile(), Concatena (Char U, Char Formato, ...),
  Creatabtrig(), Eliminacaratteri(), FaDivResto(double,double,Int,Double),
  Hsvdargb(), Input(), Invertiparola(),
  Leggifile(), Linden(), Prova(), Provacolori(),
  Provalinden(), Provastrcpy(), Provastrspn(),
  Rapp2(), Rgbdahsv(double,double,double,Int,Int,Int),
  Scrivifile(), Sostituisci();

int Eliminacntrl(), Lunghezzafile(),
  Pos(), Potenzamodulare(), FaDiv(double,double), S(), Segno(double), T(),
  Tu(), Tui();

double Bin(), FaResto(double,double), Fatt(), FtCosg(double), FtSing(double),
  Gamma(double), Horner (double,Double,int), Max(double,double),
  Max3(double,double,double), Min(double,double), Min3(double,double,double),
  Ncva(), Potenza (double,int), Prodottoscalare(), Somma(),
  Trigdatabella (double, Double);

Double Hadamard();

nc Ncadd(), Nccon(), Nccos(), Ncdiv(), Ncexp(), Ncmolt(), Ncsin(), Ncsott();
///////////////////////////////////////
extern double tabcos[3600],tabsin[3600];