?? seek_tel.cpp
字號:
#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
void main(int argc, char *argv[])
{
if(argc!=4)
{
cout << "Usage: change <filename> <byte> <character>" << endl;
exit(1);
}
fstream out(argv[1], ios::in | ios::out | ios::binary);
if(!out)
{
cout << "Cannot open file!";
exit(1);
}
out.seekp(atoi(argv[2]), ios::beg);
out.put(*argv[3]);
cout << "Current position is: " << out.tellp() << endl;
out.close();
}
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