PTR2BASE
struct heim_base *p = PTR2BASE(ptr);
p = PTR2BASE(ptr);
struct heim_base_mem *p = (struct heim_base_mem *)PTR2BASE(ptr);
struct heim_base *p = PTR2BASE(ptr);
struct heim_base *p = PTR2BASE(ptr);
p = PTR2BASE(val);
p = PTR2BASE(val);
struct value_base *p = PTR2BASE(val);