Система ввода/вывода

#include <stdio.h>
 
class istream
{
public:
    //конструктор
    istream(){}
    char get(){return getc(stdin);}
    istream& operator>>(char* s){gets(s);return *this;}
    istream& operator>>(char c){c=getc(stdin);return *this;}
};
 
class ostream
{
public:
    ostream(){}
    ostream& operator<<(char* s){puts(s);return *this;}
    ostream& operator<<(char c){putc(c,stdout);return *this;}
};
 
int main()
{
    istream is;
    ostream os;
    char c;
    os <<"Vvedite cimvol ... ";
    c=is.get();
    os <<"c= "<<c<<"\n";
 
    char string[256];
    os <<"Vvedite string ... ";
    is >>string;//считываем в string.
    os <<"string= "<<string<<'\n';
 
    return 0;
}

c=is.get();
getchar(); // или что-то для извлечения '\n' из потока

#include <stdio.h>
 
class istream
{
public:
    //конструктор
    istream(){}
    char get(){return getc(stdin);}
    istream& operator>>(char* s){scanf("%s",s);return *this;}
    istream& operator>>(char c){scanf("%c",c);return *this;}
};
 
class ostream
{
public:
    ostream(){}
    ostream& operator<<(char* s){printf("%s",s);return *this;}
    ostream& operator<<(char c){printf("%c",c);return *this;}
};
 
class ifstream
{
    FILE* pF;
public:
    void open(char* s,char* s1="w")
    {
        pF=fopen((const char*)s,s1);
    }
 
    void close(){fclose(pF);}
    
    ifstream& operator>>(char c){fprintf(pF,"%c",c);return *this;}
    ifstream& operator>>(char* s){fprintf(pF,"%s",s);return *this;}
};
 
class ofstream
{
    FILE* pF;
public:
    void open(char* s,char* s1="r")
    {
        pF=fopen((const char*)s,s1);
    }
    void close(){fclose(pF);}
    ofstream& operator<<(char c){fscanf(pF,"%c",c);return *this;}
    ofstream& operator<<(char* s){fscanf(pF,"%s",s);return *this;}
};
 
int main()
{
    istream is;
    ostream os;
    char c;
    os <<"Vvedite cimvol ... ";
    c=is.get();
    os <<"c= "<<c<<"\n";
 
    char string[256];
    os <<"Vvedite string ... ";
    is >>string;//считываем в string.
    os <<"string= "<<string<<'\n';
 
    //test file
    ifstream iff;
    iff.open("myfile.txt");
    
    char k='k';
    iff >>k;
    iff >>"c= ">>k>>'\n'>>"hellow world gacpada\n";
    iff.close();
 
    ofstream off;
    off.open("myfile.txt");
    off <<string;
    os <<"string= "<<string<<'\n';//считаем строчку с символа
    off.close();
 
    return 0;
}