#include "sysselect.h"
#include "blockinput.h"
-#ifdef BSD_SYSTEM
-#include <sys/param.h>
-#include <sys/sysctl.h>
+#if defined DARWIN_OS || defined __FreeBSD__
+# include <sys/sysctl.h>
#endif
#ifdef __FreeBSD__
#ifdef MSDOS /* Demacs 1.1.2 91/10/20 Manabu Higashida, MW Aug 1993 */
#include "msdos.h"
-#include <sys/param.h>
#endif
+#include <sys/param.h>
#include <sys/file.h>
#include <fcntl.h>