freelist_reserve
freelist_reserve(list, osext, (HPT_UINT)(size), (HPT_UINT)(count));\
void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count);
void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count);
freelist_reserve(list, osext, size, count);\