Remove extern errno declarations.

* xterm.c:
* xrdb.c:
* w32term.c:
* unexec.c:
* unexaix.c:
* sysdep.c:
* process.c:
* lread.c:
* keyboard.c:
* floatfns.c:
* filelock.c:
* fileio.c:
* emacs.c (main):
* ecrt0.c:
* dispnew.c:
* callproc.c:
* buffer.c: Remove errno extern declarations.
* s/netbsd.h (NEED_ERRNO): Remove.

* movemail.c:
* etags.c:
* emacsclient.c: Remove extern errno declarations.

1 files changed, 0 insertions, 4 deletions

diff --git a/src/floatfns.c b/src/floatfns.c
index 97d9ec00aae..3f7030b7605 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -99,10 +99,6 @@ extern double logb ();
 
 #ifdef FLOAT_CHECK_ERRNO
 # include <errno.h>
-
-#ifndef USE_CRT_DLL
-extern int errno;
-#endif
 #endif
 
 #ifdef FLOAT_CATCH_SIGILL