extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
extern __typeof(siglongjmp) __libc_siglongjmp attribute_noreturn;
extern void _longjmp_unwind(jmp_buf __env, int __val);
+libc_hidden_proto(_longjmp_unwind)
extern int __sigjmp_save(sigjmp_buf __env, int __savemask) attribute_hidden;
/* We use the normal longjmp for unwinding */
# define __libc_unwind_longjmp(buf, val) __libc_longjmp(buf, val)