Remove Unixware and openserver support

cde/lib/DtSvc/DtUtil1/CmdMain.c

@@ -1030,7 +1030,7 @@ _DtCmdCommandInvokerExecute (
 #ifdef _SUN_OS
              open_max = NOFILE;
 #else
-#if defined(USL) || defined(_AIX)
+#if defined(_AIX)
              open_max = FOPEN_MAX;
 #else
              open_max = FD_SETSIZE;

cde/lib/DtSvc/DtUtil1/CmdProcess.c

@@ -41,7 +41,7 @@
 #include <Dt/ActionUtilP.h>
 #include "myassertP.h"
 
-#if defined(sun) || defined(USL)
+#if defined(sun)
 #include <limits.h>
 #endif 
 

cde/lib/DtSvc/DtUtil1/DbLoad.c

@@ -53,11 +53,11 @@
 #include <ndir.h>
 #else
 
-#if defined(sun) || defined(USL) || defined(sco)
+#if defined(sun)
 #include <dirent.h>
 #else
 #include <sys/dir.h>
-#endif				/* sun || USL */
+#endif				/* sun */
 
 #endif				/* __hpux */
 

cde/lib/DtSvc/DtUtil1/DtsInit.c

@@ -51,11 +51,11 @@
 #include <ndir.h>
 #else
 
-#if defined(sun) || defined(USL) || defined(sco)
+#if defined(sun)
 #include <dirent.h>
 #else
 #include <sys/dir.h>
-#endif				/* sun || USL */
+#endif				/* sun */
 
 #endif				/* __hpux */
 

cde/lib/DtSvc/DtUtil1/DtsMM.c

@@ -601,7 +601,7 @@ _DtDtsMMapDB(const char *CacheFile)
 			mmaped_db = (char *)mmap(NULL,
 					buf.st_size,
 					PROT_READ,
-#if defined(sun) || defined(USL)
+#if defined(sun)
 					/* MAP_NORESERVE is only supported
 					   on sun and novell platforms */
 					MAP_SHARED|MAP_NORESERVE,