--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/s/esix.h	Mon Aug 13 11:28:15 2007 +0200
@@ -0,0 +1,23 @@
+/* Synched up with: FSF 19.31. */
+
+/* Definitions for ESIX, a variant of v.5.3 for the 386.  */
+/* These are based on reports for ESIX 5.3.2 D.  */
+
+#include "usg5-3.h"
+
+/* Some versions of V.3 have this, but not all. ESIX does. */
+#define HAVE_PTYS
+#define SYSV_PTYS
+
+/* Have -lg be used for debugging. */
+#undef LIBS_DEBUG
+#define LIBS_DEBUG "-lg"
+
+/* If using Roell's X server, define X11R4 */
+#ifdef X11R4			/* Roell's X server */
+#define select sys_select /* Emacs select() not good enough? */
+#endif /* X11R4 */
+
+/* ESIX does not need <sys/sioctl.h>, but needs <sys/ptem.h> */
+#define NO_SIOCTL_H
+#define NEED_PTEM_H