sysctl_malloc
int sysctl_malloc(char *, char **, int *, int, int *);
len = sysctl_malloc(string, &bufp, mib, flags, &type);
return (sysctl_malloc(name, namelen, oldp, oldlenp,
int sysctl_malloc(int *, u_int, void *, size_t *, void *, size_t,