+#ifdef SEQUENT_PTX4
+#include <string.h>
+#include <sys/dir.h>
+#include <dirent.h>
+#include <sys/statfs.h>
+#include <sys/statvfs.h>
+#include <sys/vfs.h>
+#include <fcntl.h>
+#include <sys/sockio.h>
+#include <netinet/tcp.h>
+#include <stropts.h>
+#include <termios.h>
+#define SYSV
+#define USE_WAITPID
+#define SIGNAL_CAST (void (*)(int))
+#define USE_STATVFS
+#define USE_GETCWD
+#ifndef seteuid
+#define seteuid(uid) setreuid(-1,uid)
+#endif
+#ifndef setegid
+#define setegid(gid) setregid(-1,gid)
+#endif
+#endif
+
+