Replace home-grown dup2() implementation with actual dup2() calls. This

should slightly reduce the number of system calls in critical portions of
the shell, and select a more efficient path through the fdalloc code.

Reviewed by:	bde

1 files changed, 0 insertions, 1 deletions

diff --git a/bin/sh/redir.h b/bin/sh/redir.h
index e786004..d063ecf 100644
--- a/bin/sh/redir.h
+++ b/bin/sh/redir.h
@@ -46,5 +46,4 @@ void redirect(union node *, int);
 void popredir(void);
 int fd0_redirected_p(void);
 void clearredir(void);
-int copyfd(int, int);