[−][src]Type Definition fltk_sys::glu::PFNGLDEBUGMESSAGECALLBACKARBPROC
type PFNGLDEBUGMESSAGECALLBACKARBPROC = Option<unsafe extern "C" fn(callback: GLDEBUGPROCARB, userParam: *const c_void)>;
type PFNGLDEBUGMESSAGECALLBACKARBPROC = Option<unsafe extern "C" fn(callback: GLDEBUGPROCARB, userParam: *const c_void)>;