Why is it possible to write() to STDIN?

Question

I have the following code:

int main()
{
    char str[] = \"Hello\\n\";
    write(0, str, 6);   // write() to STDIN
    return 0;
}

When I c

Answer 1

Are you confusing write with fwrite? The first parameter in write is a "file descripter", but it's not stdin. Try doing an fwrite to stdin -- it doesn't happen.