10

#include<stdio.h>
#include<conio.h>
#include<math.h>
#include<string.h>
#define BASE "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
struct Rec1
{
long nomer;
long a;
unsigned char basis;
};
struct Rec2
{
long nomer;
char Rez[100];
};
void Itoa(long a, long p, char *s)
{
int i,j,buf;
i=0;
do
{
s[i]=BASE[a%p];
i++;
a/=p;
}
while(a);
s[i]='\0';
j=i-1;
i=0;
while(i<j)
{
buf=s[i];
s[i]=s[j];
s[j]=buf;
i++;
j--;
}
}
int Createfile(char *Fin)
{
FILE *f;
struct Rec1 rec1;
if((f=fopen(Fin,"wb"))==NULL)
return 1;
printf("nomer:");
scanf("%i",&rec1.nomer);
while(rec1.nomer!=0)
{
printf("chislo:");
scanf("%i",&rec1.a);
printf("sistema:");
scanf("%i",&rec1.basis);
fwrite(&rec1,sizeof(rec1),1,f);
printf("nomer:");
scanf("%i",&rec1.nomer);
}
fclose(f);
return 0;
}

int Readfile2(char *Fin)
{
FILE *f;
struct Rec1 rec1;
if((f=fopen(Fin,"rb"))==NULL)
return 1;
while(fread(&rec1,sizeof(rec1),1,f))
{
printf("%i:",rec1.nomer);
printf("%i-->",rec1.a);
printf("%i\n",rec1.basis);
}
fclose(f);
return 0;
}

int Readfile(char *Fin, char *Fout)
{
FILE *f,*g;
long a,p;
char s[50]={0};
struct Rec1 rec1;
struct Rec2 rec2;
if((f=fopen(Fin,"rb"))==NULL)
return 1;
g=fopen(Fout,"wb");
while(fread(&rec1,sizeof(rec1),1,f))
{
rec2.nomer=rec1.nomer;
a=rec1.a;
p=rec1.basis;
Itoa (a,p,s);
strcpy(rec2.Rez,s);
fwrite(&rec2,sizeof(rec2),1,g);
}
fclose(f);
fclose(g);
return 0;
}
int Readfile3(char *Fout)
{
FILE *f;
struct Rec2 rec2;
if((f=fopen(Fout,"rb"))==NULL)
return 1;
while(fread(&rec2,sizeof(rec2),1,f))
{
printf("%i-->",rec2.nomer);
printf("%s\n",rec2.Rez);
getch();
}
fclose(f);
return 0;
}
int main()
{
char *Fin="G:\\Fin.data";
char *Fout="G:\\Fout.data";
Createfile(Fin);
Readfile2(Fin);
Readfile(Fin,Fout);
Readfile3(Fout);
getch();
return 0;
}