http://esil0x.livejournal.com/10527.html #include <stdio.h> struct A { void f () {} }; int main (void) { void (A::*ptr) () = &A::f; printf ("sizeof (ptr): %lu\n", sizeof (ptr)); printf ("ptr: 0x%lx 0x%lx\n", ((unsigned long*) &ptr) [0], ((unsigned long*) &ptr) [1]); try { throw ptr; } catch (void (A::*exc) ()) { <------------ !!!!!!!!!! printf ("exc: 0x%lx 0x%lx\n", ((unsigned long*) &exc) [0], ((unsigned long*) &exc) [1]); } }