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1¡¢Ê¹ÓÃGTKÖеÄGdkEvent
    GdkEvent *event;
    event = gdk_event_new (GDK_KEY_PRESS);              //°´¼ü°´ÏÂ
    event->key.send_event = TRUE;
    event->key.keyval = GDK_1;
    event->key.window = window;
    gtk_main_do_event (event);
    gdk_event_free (event);
    event = gdk_event_new (GDK_KEY_RELEASE);          //°´¼üµ¯Æð
    event->key.send_event = TRUE;
    event->key.keyval = GDK_1;
    event->key.window = window;
    gtk_main_do_event (event);
    gdk_event_free (event);
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2¡¢Ê¹ÓÃXlib
    #include <X11/extensions/XTest.h>
    #include <X11/keysym.h>
    Display *disp = XOpenDisplay (NULL);
    keysym = XK_1;
    //TrueΪ°´Ï£¬FalseΪµ¯Æð
    XTestFakeKeyEvent (disp, XKeysymToKeycode (disp, keysym), True, CurrentTime);
    XTestFakeKeyEvent (disp, XKeysymToKeycode (disp, keysym), False, CurrentTime);
    XCloseDisplay (disp);
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3¡¢Ö±½Óд¼üÅÌÉ豸
    #include <linux/input.h>
    /* open keyboard */
    fd_kb = open ("/dev/input/event0", O_RDWR);
    struct input_event event;
    event.code = KEY_1;
    event.type = EV_KEY;
    event.value = 1;                 //1±íʾ°´Ï£¬0±íʾÊÍ·Å£¬2±íʾ³¤°´
    gettimeofday (&event.time