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diff --git a/src/cmd/ksh93/edit/edit.c b/src/cmd/ksh93/edit/edit.c
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--- a/src/cmd/ksh93/edit/edit.c
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+++ b/src/cmd/ksh93/edit/edit.c
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@@ -46,6 +46,8 @@
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     extern char ed_errbuf[];
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     char e_version[] = "\n@(#)$Id: Editlib version 1993-12-28 r $\0\n";
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 #endif	/* KSHELL */
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+
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+#include <sys/ioctl.h>
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 #include	"io.h"
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 #include	"terminal.h"
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 #include	"history.h"
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diff --git a/src/cmd/ksh93/include/defs.h b/src/cmd/ksh93/include/defs.h
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--- a/src/cmd/ksh93/include/defs.h
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+++ b/src/cmd/ksh93/include/defs.h
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@@ -449,6 +449,8 @@ extern int 		sh_whence(char**,int);
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     extern Namval_t	*sh_fsearch(Shell_t*,const char *,int);
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 #endif /* SHOPT_NAMESPACE */
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+extern int sh_diropenat(Shell_t *, int, const char *, bool xattr);
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+
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 #ifndef ERROR_dictionary
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 #   define ERROR_dictionary(s)	(s)
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 #endif
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diff --git a/src/lib/libast/port/astwinsize.c b/src/lib/libast/port/astwinsize.c
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--- a/src/lib/libast/port/astwinsize.c
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+++ b/src/lib/libast/port/astwinsize.c
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@@ -28,6 +28,7 @@
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 #include <ast.h>
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 #include <ast_tty.h>
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+#include <sys/ioctl.h>
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 #if defined(__STDPP__directive) && defined(__STDPP__hide)
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 __STDPP__directive pragma pp:hide ioctl sleep
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@@ -36,10 +37,6 @@ __STDPP__directive pragma pp:hide ioctl sleep
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 #define sleep		______sleep
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 #endif
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-#if _sys_ioctl
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-#include <sys/ioctl.h>
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-#endif
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-
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 #if defined(TIOCGWINSZ)
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 #if _sys_stream && _sys_ptem
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 #include <sys/stream.h>
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diff --git a/src/lib/libcmd/tail.c b/src/lib/libcmd/tail.c
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--- a/src/lib/libcmd/tail.c
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+++ b/src/lib/libcmd/tail.c
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@@ -104,6 +104,7 @@ USAGE_LICENSE
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 #include <ls.h>
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 #include <tv.h>
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 #include <rev.h>
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+#include <time.h>
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 #define COUNT		(1<<0)
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 #define ERROR		(1<<1)