#include <assert.h> #include <X11/Xlib.h> #include <X11/extensions/Xvlib.h> #include <X11/extensions/XvMC.h> XvAttribute* XvMCQueryAttributes(Display *display, XvMCContext *context, int *number) { return NULL; } Status XvMCSetAttribute(Display *display, XvMCContext *context, Atom attribute, int value) { return BadImplementation; } Status XvMCGetAttribute(Display *display, XvMCContext *context, Atom attribute, int *value) { return BadImplementation; }