Re: [PATCH] src/print.c: Check for __GLIBC__ rather than GNU_LINUX

[Paul Eggert]

Eli Zaretskii wrote:

> Are we sure fileno(stdin) will necessarily return 0, what with all the
> redirections and stuff?

Yes.  The redirections in Emacs don't change the file descriptor numbers 
associated with stdin, stdout, and stderr.  They will always be 0, 1, and 2.

> Why not keep the original code?

It's a bit slower, and (more important) it leads the reader to wonder whether 
fileno (stdin) might not equal STDIN_FILENO.