采用首次适应法模拟内存分配，用链表实现，解释较全面-Storage allocation algorithm uses the first time to adapt to (FF) method.

VC++MFC模拟连续分配内存存储管理系统，首次适应算法 、循环首次适应算法、最佳适应算法 -VC++ MFC allocates memory for continuous analog storage management system, the first fit algorithm, loop the first fit algorithm, the best fit algorithm