STACK_SIZE
int stack_top = STACK_SIZE;
STACK_SIZE - stack_top, stderr);
stack_top = STACK_SIZE;
STACK_SIZE - stack_top, stderr);
stack_top = STACK_SIZE;
uc.uc_stack.ss_size = STACK_SIZE;
if ((uc.uc_stack.ss_sp = malloc(STACK_SIZE)) == NULL) {
char stack_space[STACK_SIZE];