Use of file headers
#include <iostream>
#include <fstream>using namespace std;
int main()
{
fstream fout;
fout.open("test.txt", ios::out);
fout<<"Hello Coders";
fout.seekp(6, ios::beg);
fout<<"World";
fout.close();
}
// nested function (a program to display some messages in sub() and nest() #include <stdio.h> void main () { void sub(); printf ( "\nthis is my destiny" ); sub (); printf ( "\nthis is also my destiny" ); } void sub () { void nest(); printf ( "\nthis is the love" ); nest (); printf ( "\nthis is what i really want" ); } void nest () { void love(); printf ( "\nthis is the real love" ); }
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