#include extern uintptr_t __stack_chk_guard; #define STACK_CHK_GUARD __stack_chk_guard #ifdef PTRGUARD_LOCAL extern uintptr_t __pointer_chk_guard_local; # define POINTER_CHK_GUARD __pointer_chk_guard_local #else extern uintptr_t __pointer_chk_guard; # define POINTER_CHK_GUARD __pointer_chk_guard #endif