基于ucOS的内存申请释放策略。内部维护四个内存池，内次根据申请内存的大小，分配最合适的内存块。程序在VC++上移植，可用VC6.0直接模拟运行。-Memory applications based on ucOS release strategy. The internal maintenance four memory pool within times the size of the application memory, assign the most appropriate memor