Compito

#include<stdio.h>
#include<stdlib.h>
#define FILE1    "./hits.bin"
#define FILE2    "./rette.bin"
typedef int* pint;
typedef FILE* pfile;


typedef struct _dot
  {
   int x;
   int y;
  }dot;

typedef dot* pdot;

typedef struct _retta
  {
   float a;
   float b;
   float c;
  }retta;

typedef retta* pretta;

int main(void)
    {
        pfile pf1;
        int np, nr,i;
        pretta pr;
        pdot pd;

        if ((pf1=fopen(FILE1,  "rb"))==NULL) return EXIT_FAILURE;
        fread(&np,sizeof(int), 1, pf1);
        printf("%d \n",np);

        if ((pd=(pdot)malloc(sizeof(dot)*np))==NULL) return EXIT_FAILURE;
        fread(pd,sizeof(dot), np, pf1);
        fclose(pf1);
        for(i=0;i<np;i++,pd++)
            {printf("%d %d \n",(*pd).x, (*pd).y);}

         if ((pf1=fopen(FILE2,  "rb"))==NULL) return EXIT_FAILURE;
        fread(&nr,sizeof(int), 1, pf1);
        printf("\n %d \n",nr);

        if ((pr=(pretta)malloc(sizeof(retta)*nr))==NULL) return EXIT_FAILURE;
        fread(pr,sizeof(retta), nr, pf1);
        fclose(pf1);
        for(i=0;i<nr;i++,pr++)
            {printf("%f %f %f \n",(*pr).a, (*pr).b, (*pr).c);}


    }