--- /dev/null
+/*
+ * tkUnixPort.h --
+ *
+ * This file is included by all of the Tk C files. It contains
+ * information that may be configuration-dependent, such as
+ * #includes for system include files and a few other things.
+ *
+ * Copyright (c) 1991-1993 The Regents of the University of California.
+ * Copyright (c) 1994-1996 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#ifndef _UNIXPORT
+#define _UNIXPORT
+
+#define __UNIX__ 1
+
+#include <stdio.h>
+#include <pwd.h>
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <math.h>
+#include <string.h>
+#include <limits.h>
+#ifdef NO_STDLIB_H
+# include "../compat/stdlib.h"
+#else
+# include <stdlib.h>
+#endif
+#include <sys/types.h>
+#include <sys/file.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#include <sys/stat.h>
+#ifndef _TCL
+# include <tcl.h>
+#endif
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifndef NO_UNISTD_H
+# include <unistd.h>
+#else
+# include "../compat/unistd.h"
+#endif
+#if defined(__GNUC__) && !defined(__cplusplus)
+# pragma GCC diagnostic ignored "-Wc++-compat"
+#endif
+#include <X11/Xlib.h>
+#include <X11/cursorfont.h>
+#include <X11/keysym.h>
+#include <X11/Xatom.h>
+#include <X11/Xproto.h>
+#include <X11/Xresource.h>
+#include <X11/Xutil.h>
+
+/*
+ * The following macro defines the type of the mask arguments to
+ * select:
+ */
+
+#ifndef NO_FD_SET
+# define SELECT_MASK fd_set
+#else
+# ifndef _AIX
+ typedef long fd_mask;
+# endif
+# if defined(_IBMR2)
+# define SELECT_MASK void
+# else
+# define SELECT_MASK int
+# endif
+#endif
+
+/*
+ * The following macro defines the number of fd_masks in an fd_set:
+ */
+
+#ifndef FD_SETSIZE
+# ifdef OPEN_MAX
+# define FD_SETSIZE OPEN_MAX
+# else
+# define FD_SETSIZE 256
+# endif
+#endif
+#if !defined(howmany)
+# define howmany(x, y) (((x)+((y)-1))/(y))
+#endif
+#ifndef NFDBITS
+# define NFDBITS NBBY*sizeof(fd_mask)
+#endif
+#define MASK_SIZE howmany(FD_SETSIZE, NFDBITS)
+
+/*
+ * Define "NBBY" (number of bits per byte) if it's not already defined.
+ */
+
+#ifndef NBBY
+# define NBBY 8
+#endif
+
+#ifdef __CYGWIN__
+# include "tkIntXlibDecls.h"
+# define UINT unsigned int
+# define HWND void *
+# define HDC void *
+# define HINSTANCE void *
+# define COLORREF void *
+# define HMENU void *
+# define TkWinDCState void
+# define HPALETTE void *
+# define WNDPROC void *
+# define WPARAM void *
+# define LPARAM void *
+# define LRESULT void *
+
+#else /* !__CYGWIN__ */
+ /*
+ * The TkPutImage macro strips off the color table information, which isn't
+ * needed for X.
+ */
+
+# define TkPutImage(colors, ncolors, display, pixels, gc, image, srcx, srcy, destx, desty, width, height) \
+ XPutImage(display, pixels, gc, image, srcx, srcy, destx, \
+ desty, width, height);
+
+#endif /* !__CYGWIN__ */
+
+/*
+ * Supply macros for seek offsets, if they're not already provided by
+ * an include file.
+ */
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+
+#ifndef SEEK_CUR
+# define SEEK_CUR 1
+#endif
+
+#ifndef SEEK_END
+# define SEEK_END 2
+#endif
+
+/*
+ * Declarations for various library procedures that may not be declared
+ * in any other header file.
+ */
+
+
+/*
+ * These functions do nothing under Unix, so we just eliminate calls to them.
+ */
+
+#define TkpButtonSetDefaults() {}
+#define TkpDestroyButton(butPtr) {}
+#define TkSelUpdateClipboard(a,b) {}
+#ifndef __CYGWIN__
+#define TkSetPixmapColormap(p,c) {}
+#endif
+
+/*
+ * These calls implement native bitmaps which are not supported under
+ * UNIX. The macros eliminate the calls.
+ */
+
+#define TkpDefineNativeBitmaps()
+#define TkpCreateNativeBitmap(display, source) None
+#define TkpGetNativeAppBitmap(display, name, w, h) None
+
+/*
+ * This macro stores a representation of the window handle in a string.
+ * This should perhaps use the real size of an XID.
+ */
+
+#ifndef __CYGWIN__
+#define TkpPrintWindowId(buf,w) \
+ sprintf((buf), "0x%08lx", (unsigned long) (w))
+#endif
+
+/*
+ * Used by tkWindow.c
+ */
+
+#define TkpHandleMapOrUnmap(tkwin, event) Tk_HandleEvent(event)
+
+#endif /* _UNIXPORT */
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