remove OSF1 support

cde/programs/dthelp/parser/pass2/htag2/option.c

@@ -62,7 +62,7 @@ if (optfile = fopen(nameofoptfile, "r"))
     }
 m_free(nameofoptfile, "installation helptag.opt");
 
-#if defined(hpux) || defined(_AIX) || defined(sun) || defined(__osf__)
+#if defined(hpux) || defined(_AIX) || defined(sun)
 {
 char *opts;
 
@@ -79,7 +79,7 @@ if (opts)
 	}
     }
 }
-#endif /* hpux or _AIX or sun or __osf__ */
+#endif /* hpux or _AIX or sun */
 
 /* Check helptag.opt in input directory */
 if (indir)

cde/programs/dthelp/parser/pass2/htag2/sdl.c

@@ -26,13 +26,10 @@
 
 #include <sys/stat.h>
 #include <sys/wait.h>
-#if defined(__osf__) || defined(linux)
+#if defined(linux)
 #  include <sys/fcntl.h>
 #endif
-#if defined(__osf__)
-#  include <sys/access.h>
-#  include <locale.h>
-#endif /* __osf__ */
+
 #include <errno.h>
 
 #if defined(linux)

cde/programs/dthelp/parser/pass2/htag2/sdl.if

@@ -1743,9 +1743,6 @@
   <START-CODE>
     if (firstVirpage)
 	{
-#ifdef __osf__
-#include <sys/fcntl.h>
-#endif /* __osf__ */
 	if (pCurrentElement)
 	    EmitSDL(pCurrentElement);
 	FcloseFile(outFile, vstructFileName, xxx);

cde/programs/dthelp/parser/pass2/parser/parser.c

@@ -45,7 +45,7 @@ void main(argc, argv)
       "prevcon=%d,token=%d,curcon=%d,scanval='%c'(%d),line=%d,netlevel=%d\n" ;
     static char name[] = "m_name = '%s'\n" ;
     static char literal[] = "m_literal = '%s'\n" ;
-#if defined(hpux) || defined(_AIX) || defined(sun) || defined(__osf__)
+#if defined(hpux) || defined(_AIX) || defined(sun)
     char buffer[M_LITLEN + 80] ;
 #else
 #define max4(a,b,c,d) (a>b&&a>c&&a>d) ? a : ((b>c&&b>d) ? b : (c>d ? c : d))