Cleanup old code.

* src/dired.c (BSD4_3): Remove all uses, redundant with BSD4_2.
* src/syssignal.h: Remove code for Lynx, not supported anymore.
* src/vm-limit.c: Remove unused code the depends on emacs not being
defined and NO_LIM_DATA being defined.
* src/mem-limits.h: Remove dead code.

1 files changed, 0 insertions, 16 deletions

diff --git a/src/vm-limit.c b/src/vm-limit.c
index a5b07eb50da..1f401601bbf 100644
--- a/src/vm-limit.c
+++ b/src/vm-limit.c
@@ -23,13 +23,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "lisp.h"
 #endif
 
-#ifndef emacs
-#include <stddef.h>
-typedef size_t SIZE;
-typedef void *POINTER;
-#define EXCEEDS_LISP_PTR(x) 0
-#endif
-
 #include "mem-limits.h"
 
 #ifdef HAVE_GETRLIMIT
@@ -58,14 +51,6 @@ static POINTER data_space_start;
 static unsigned long lim_data;
 
 
-#ifdef NO_LIM_DATA
-static void
-get_lim_data ()
-{
-  lim_data = -1;
-}
-#else /* not NO_LIM_DATA */
-
 #if defined (HAVE_GETRLIMIT) && defined (RLIMIT_AS)
 static void
 get_lim_data ()
@@ -181,7 +166,6 @@ get_lim_data ()
 #endif /* not WINDOWSNT */
 #endif /* not USG */
 #endif /* not HAVE_GETRLIMIT */
-#endif /* not NO_LIM_DATA */
 
 /* Verify amount of memory available, complaining if we're near the end. */