Работа с файлами

#define k 10
 
struct magazines
    {
    char names[30];
    float price;
    int n_people;
    };
 
...
 
//я выделяю память под указатель на структуру..
 
struct magazines *p = malloc(k*sizeof(magazines));

 if(fread(p->price,sizeof(float), 5, f2) != 5) 
      {
      if(feof(f2)) {printf("Premature end of file.");}
      else {printf("File read error.");}
      }

for(i=0;i<k;i++)
fscanf(f2,"%f ",&(p+i)->price);
for(i=0;i<k;i++)
fscanf(f2,"%d ",&(p+i)->n_people);

#include <stdio.h>
 
#define k 10
 
struct magazines
    {
    char names[30];
    float price;
    int n_people;
    };
 
main()
{
FILE *f1,*f2;
int i,j,max,max_pos;
 
char x,s[30];
 
struct magazines *p = malloc(k*sizeof(struct magazines));
 
/*zapus y file*/
struct magazines info[k]={{"Chip",17.99,200},
                            {"Hardware",32.00,11},
                            {"Xakep",50.00,1000},
                            {"Maxim",100.91,11000},
                            {"Eva",19.99,250},
                            {"Express",15.00,1000},
                            {"Exploit",2.00,8000},
                            {"Milw0rm",4.99,3350},
                            {"Zarabotay",5.78,400},
                            {"History",36.99,50}
                           };
 
if((f1=fopen("magazines.txt","w"))==NULL||(f2=fopen("podp.txt","w"))==NULL) {puts("Error! Cannot open the files...");exit(1);}
for(i=0;i<k;i++)
  {
  fprintf(f1,"%s\n",info[i].names);
  fprintf(f2,"%.2f ",info[i].price);
  }
fclose(f2);
 
if((f2=fopen("podp.txt","a"))==NULL) {puts("Error!Cannot appent to file...");exit(1);}
fprintf(f2,"\n");
for(i=0;i<k;i++) fprintf(f2,"%d ",info[i].n_people);
 
fclose(f1);
fclose(f2);
 
/*Reading the files*/
 
/*#1(poslidovniy dostup)*/
if((f1=fopen("magazines.txt","r"))==NULL||(f2=fopen("podp.txt","r"))==NULL) {puts("Error! Cannot open the files to read...");exit(1);}
puts("poslidovn. dostyp...\n");
puts("File magazine.txt:\n");
while((x=fgetc(f1))!=EOF) printf("%c",x);
puts("\nFile podp.txt:\n");
while((x=fgetc(f2))!=EOF) printf("%c",x);
 
getch();
 
/*#2(pryamuy dostup)*/
puts("\n\n\npryamiy dostup...");
puts("\nFile magazine.txt:\n");
fseek(f1,0,0);
i=0;
while((fgets(s,sizeof(s),f1))!=NULL)
     {
     printf("%s",s);
     strcpy((p+i)->names,s);
     (p+i)->names[(j=strlen((p+i)->names))-1]='\0';
     i++;
     }
puts("\nFile podp.txt:\n");   
fseek(f2,0,0);     
while((fgets(s,sizeof(s),f2))!=NULL)
     printf("%s",s);     
 
getch();
   
/*dovidka pro populyarnist*/
fseek(f2,0,0);
 
for(i=0;i<k;i++)
fscanf(f2,"%f ",&(p+i)->price);
for(i=0;i<k;i++)
fscanf(f2,"%d ",&(p+i)->n_people);
 
max=(p+0)->n_people;
for(i=0;i<k;i++)
     if(max < (p+i)->n_people) {max = (p+i)->n_people;max_pos = i;}               
 
puts("\n\nNaibolshey popularnistiu polzyetsa:\n");
printf("Name\tCina\tKolichestvo podpischikov\n");
puts("----------------------------------------------");
printf("%s\t%.2f\t%d",(p+max_pos)->names,(p+max_pos)->price,(p+max_pos)->n_people);  
   
getch();
 
free(p);
}