#include <signal.h>

int
main(void)
{
	stack_t ss = {
		.ss_sp = (void *) 0xbaadf00d,
		.ss_flags = SS_DISABLE,
		.ss_size = 0xdeadbeef
	};
	return sigaltstack(&ss, (stack_t *) 0) ? 77 : 0;
}