Remove Unixware and openserver support

cde/lib/tt/bin/tttar/tttar.C

@@ -40,7 +40,7 @@
 #if defined(__osf__) || defined(linux) || defined(sun) || defined(CSRG_BASED)
 #include <unistd.h>
 #else
-#if !defined(USL) && !defined(sun)
+#if !defined(sun)
 #include <osfcn.h>
 #endif
 #endif
@@ -52,10 +52,6 @@
 #include "tt_options.h"
 #include "archiver.h"
 
-#if defined(OPT_BUG_USL)
-#include <unistd.h>
-#endif
-
 TT_INSERT_COPYRIGHT
 
 #ifdef OPT_PATCH

cde/lib/tt/bin/tttar/tttar_api.C

@@ -36,10 +36,8 @@
 #if defined(__osf__) || defined(linux) || defined(CSRG_BASED) || defined(sun)
 #include <unistd.h>
 #else
-#ifndef USL
 #include <osfcn.h>
 #endif
-#endif
 #include <sys/param.h>
 #include "api/c/api_api.h"
 #include "api/c/tt_c.h"

cde/lib/tt/bin/tttar/tttar_file_utils.C

@@ -45,9 +45,6 @@
 #include <dirent.h>
 #include "tttar_utils.h"
 #include "tttar_file_utils.h"
-#if defined(OPT_BUG_USL)
-#define S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
-#endif
 
 extern char *_tt_get_realpath(char  *, char *);
 

cde/lib/tt/bin/tttar/tttar_spec.C

@@ -35,16 +35,7 @@
 #if defined(__osf__) || defined(linux) || defined(CSRG_BASED) || defined(sun)
 #include <unistd.h>
 #else
-#if defined (USL)
-#include "tt_options.h"
-#if defined(OPT_BUG_USL)
-#include <unistd.h>
-#else
 #include <osfcn.h>
-#endif /* if defined(OPT_BUG_USL) */
-#else
-#include <osfcn.h>
-#endif
 #endif /* __osf__ */
 #include "api/c/tt_c.h"
 #include "util/tt_iostream.h"