247 lines
7.2 KiB
C
247 lines
7.2 KiB
C
#include "xlib.h"
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#include "scheme48.h"
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#include <sys/time.h>
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// Open_Display(name) name should be a string or S48_FALSE (=> Null)
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s48_value Open_Display (s48_value name) {
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char* cname = (char*)0;
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if (!S48_FALSE_P(name))
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cname = s48_extract_string(name);
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return ENTER_DISPLAY(XOpenDisplay(cname));
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}
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// Close_Display( Xdisplay ) Xdisplay should be a pointer to the X-lib struct
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// cast into a Scheme-Integer.
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s48_value Close_Display(s48_value Xdisplay) {
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XCloseDisplay(EXTRACT_DISPLAY(Xdisplay));
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return S48_UNSPECIFIC;
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}
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// This funktion selects the fd field of the Display-struct. One shouldn't do
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// that usually, but we need it.
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s48_value Display_Message_fd(s48_value Xdisplay) {
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int fd = ConnectionNumber(EXTRACT_DISPLAY(Xdisplay));
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/* struct timeval timeout;
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fd_set fdset;
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FD_ZERO(&fdset);
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FD_SET(fd, &fdset);
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timeout.tv_sec = 20; // 20 seconds
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timeout.tv_usec = 0;
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if (select(1, &fdset, NULL, NULL, &timeout) != 0)
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return S48_TRUE;
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else
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return S48_FALSE;
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*/
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return s48_enter_integer(fd);
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}
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// The following procedure mainly wrap a corresponding XLib macro without
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// underscores...
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s48_value Display_Default_Root_Window(s48_value Xdisplay) {
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Window wnd = DefaultRootWindow(EXTRACT_DISPLAY(Xdisplay));
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return ENTER_WINDOW(wnd);
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}
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s48_value Display_Default_Colormap(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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Colormap cmp = DefaultColormap(dpy, DefaultScreen(dpy));
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return ENTER_COLORMAP(cmp);
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}
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s48_value Display_Default_Gcontext(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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GC gc = DefaultGC(dpy, DefaultScreen(dpy));
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return ENTER_GCONTEXT(gc);
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}
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s48_value Display_Default_Depth(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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int depth = DefaultDepth(dpy, DefaultScreen(dpy));
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return s48_enter_integer(depth);
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}
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s48_value Display_Default_Screen_Number(s48_value Xdisplay) {
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return s48_enter_integer(DefaultScreen(EXTRACT_DISPLAY(Xdisplay)));
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}
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s48_value Display_Cells(s48_value Xdisplay, s48_value ScrNum) {
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int num = (int)s48_extract_integer(ScrNum);
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return s48_enter_integer(DisplayCells(EXTRACT_DISPLAY(Xdisplay), num));
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}
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s48_value Display_Planes(s48_value Xdisplay, s48_value ScrNum) {
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int num = (int)s48_extract_integer(ScrNum);
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return s48_enter_integer(DisplayPlanes(EXTRACT_DISPLAY(Xdisplay), num));
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}
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s48_value Display_String(s48_value Xdisplay) {
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char* s = DisplayString(EXTRACT_DISPLAY(Xdisplay));
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return s48_enter_string(s);
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}
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s48_value Display_Vendor(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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char* s = ServerVendor(dpy);
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int i = VendorRelease(dpy);
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return s48_cons( s48_enter_string(s),
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s48_enter_integer(i) );
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}
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s48_value Display_Protocol_Version(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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int maj = ProtocolVersion(dpy);
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int min = ProtocolRevision(dpy);
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return s48_cons( s48_enter_integer(maj),
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s48_enter_integer(min) );
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}
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s48_value Display_Screen_Count(s48_value Xdisplay) {
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int cnt = ScreenCount(EXTRACT_DISPLAY(Xdisplay));
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return s48_enter_integer(cnt);
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}
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s48_value Display_Image_Byte_Order(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return Bits_To_Symbols( (unsigned long)ImageByteOrder(dpy),
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0, Byte_Order_Syms );
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}
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s48_value Display_Bitmap_Unit(s48_value Xdisplay) {
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int bu = BitmapUnit(EXTRACT_DISPLAY(Xdisplay));
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return s48_enter_integer(bu);
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}
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s48_value Display_Bitmap_Bit_Order(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return Bits_To_Symbols( (unsigned long)BitmapBitOrder(dpy),
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0, Byte_Order_Syms );
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}
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s48_value Display_Bitmap_Pad(s48_value Xdisplay) {
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int bp = BitmapPad(EXTRACT_DISPLAY(Xdisplay));
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return s48_enter_integer(bp);
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}
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s48_value Display_Width(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return s48_enter_integer(DisplayWidth(dpy, DefaultScreen(dpy)));
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}
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s48_value Display_Height(s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return s48_enter_integer(DisplayHeight(dpy, DefaultScreen(dpy)));
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}
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s48_value Display_Width_Mm (s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return s48_enter_integer(DisplayWidthMM(dpy, DefaultScreen(dpy)));
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}
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s48_value Display_Height_Mm (s48_value Xdisplay) {
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Display* dpy = EXTRACT_DISPLAY(Xdisplay);
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return s48_enter_integer(DisplayHeightMM(dpy, DefaultScreen(dpy)));
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}
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s48_value Display_Motion_Buffer_Size(s48_value Xdisplay) {
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int mbs = XDisplayMotionBufferSize(EXTRACT_DISPLAY(Xdisplay));
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return s48_enter_integer(mbs);
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}
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s48_value Display_Flush_Output (s48_value Xdisplay) {
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XFlush (EXTRACT_DISPLAY(Xdisplay));
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return S48_UNSPECIFIC;
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}
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s48_value Display_Wait_Output (s48_value Xdisplay, s48_value discard) {
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XSync (EXTRACT_DISPLAY(Xdisplay), !S48_FALSE_P(discard));
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return S48_UNSPECIFIC;
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}
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s48_value No_Op (s48_value Xdisplay) {
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XNoOp(EXTRACT_DISPLAY(Xdisplay));
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return S48_UNSPECIFIC;
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}
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s48_value List_Depths (s48_value Xdisplay, s48_value scr) {
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int i, num;
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int* p;
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s48_value ret;
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S48_DECLARE_GC_PROTECT(1);
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p = XListDepths(EXTRACT_DISPLAY(Xdisplay), s48_extract_integer(scr), &num);
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if (!p)
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ret = S48_FALSE;
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else {
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S48_GC_PROTECT_1(ret);
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ret = s48_make_vector(num, S48_NULL);
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for (i = 0; i < num; i++)
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S48_VECTOR_SET(ret, i, s48_enter_integer(p[i]));
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XFree((char *)p);
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}
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S48_GC_UNPROTECT();
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return ret;
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}
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s48_value List_Pixmap_Formats (s48_value Xdisplay) {
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int num, i;
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XPixmapFormatValues* p;
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s48_value ret, t;
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S48_DECLARE_GC_PROTECT(2);
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p = XListPixmapFormats(EXTRACT_DISPLAY(Xdisplay), &num);
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if (!p)
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ret = S48_FALSE;
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else {
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S48_GC_PROTECT_2(ret, t);
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ret = s48_make_vector (num, S48_FALSE);
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for (i = 0; i < num; i++) {
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t = s48_cons(s48_enter_integer(p[i].depth),
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s48_cons(s48_enter_integer(p[i].bits_per_pixel),
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s48_cons(s48_enter_integer(p[i].scanline_pad),
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S48_NULL)));
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S48_VECTOR_SET(ret, i, t);
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}
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XFree ((char *)p);
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}
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S48_GC_UNPROTECT();
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return ret;
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}
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void s48_init_display(void) {
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S48_EXPORT_FUNCTION(Open_Display);
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S48_EXPORT_FUNCTION(Close_Display);
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S48_EXPORT_FUNCTION(Display_Message_fd);
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S48_EXPORT_FUNCTION(Display_Default_Root_Window);
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S48_EXPORT_FUNCTION(Display_Default_Colormap);
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S48_EXPORT_FUNCTION(Display_Default_Gcontext);
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S48_EXPORT_FUNCTION(Display_Default_Depth);
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S48_EXPORT_FUNCTION(Display_Default_Screen_Number);
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S48_EXPORT_FUNCTION(Display_Cells);
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S48_EXPORT_FUNCTION(Display_Planes);
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S48_EXPORT_FUNCTION(Display_String);
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S48_EXPORT_FUNCTION(Display_Vendor);
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S48_EXPORT_FUNCTION(Display_Protocol_Version);
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S48_EXPORT_FUNCTION(Display_Screen_Count);
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S48_EXPORT_FUNCTION(Display_Image_Byte_Order);
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S48_EXPORT_FUNCTION(Display_Bitmap_Unit);
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S48_EXPORT_FUNCTION(Display_Bitmap_Bit_Order);
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S48_EXPORT_FUNCTION(Display_Bitmap_Pad);
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S48_EXPORT_FUNCTION(Display_Width);
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S48_EXPORT_FUNCTION(Display_Height);
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S48_EXPORT_FUNCTION(Display_Width_Mm);
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S48_EXPORT_FUNCTION(Display_Height_Mm);
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S48_EXPORT_FUNCTION(Display_Motion_Buffer_Size);
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S48_EXPORT_FUNCTION(Display_Flush_Output);
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S48_EXPORT_FUNCTION(Display_Wait_Output);
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S48_EXPORT_FUNCTION(No_Op);
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S48_EXPORT_FUNCTION(List_Depths);
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S48_EXPORT_FUNCTION(List_Pixmap_Formats);
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}
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