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#include <u.h> #include <libc.h> #include <thread.h> #include <draw.h> #include <mouse.h> #include <keyboard.h> void usage(void) { fprint(2, "usage: %s\n", argv0); exits("usage"); } void threadmain(int argc, char *argv[]) { ARGBEGIN{ default: usage(); }ARGEND; }