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C/C++ Source Codes

write inside a character array

//Here is a program that writes inside a character array :
#include <iostream.h>
#include <strstrea.h>
#include <string.h>
#include <math.h>
void main ()
char a[1024];
ostrstream b(a, 1024);
b.seekp(0); // Start from first char.
b << "2 + 2 = " << 2 + 2 << ends; // ( ends, not endl )
// ends is simply the
// null character '\0'
cout << a << endl;
double v = 2;
strcpy (a, "A sinus : ");
b.seekp(strlen (a));
b << "sin (" << v << ") = " << sin(v) << ends;
cout << a << endl;

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