On Fri, 26 May 2006 13:53:47 EDT, Michael Sweet said:
> But don't programs like "more" open /dev/tty?
What 'more' uses:
int readch () {
unsigned char c;
errno = 0;
if (read (fileno(stderr), &c, 1) <= 0) {
if (errno != EINTR)
end_it(0);
else
c = otty.c_cc[VKILL];
}
return (c);
}
There's only one reference to /dev/tty, and it's re-opening stdin
to /dev/tty when spawning a 'vi'.
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