cputype
struct cputype *cpu_next;
extern struct cputype *cputype;
struct cputype *cp;
cp = malloc(sizeof(struct cputype));
cp->cpu_next = cputype;
cputype = cp;
struct cputype *cputype;
if (cputype == 0) {
struct cputype *cp;
for (cp = cputype; cp != NULL; cp = cp->cpu_next) {