#include #include #include void die(const char* s); void quit(void); void xsetup(void); Display* dpy = NULL; Window root = None; int scr = -1; void die(const char* s) { fprintf(stderr, "xnap: %s", s); exit(1); } void quit(void) { XCloseDisplay(dpy); } void xsetup(void) { if (!(dpy = XOpenDisplay(NULL))) die ("failed to open display"); int scr = DefaultScreen(dpy); root = RootWindow(dpy, scr); } int main(void) { return EXIT_SUCCESS; }