程序设计（深入理解计算机系统）作业实验五：Lab 5: Writing a Dynamic Storage Allocator。解压出mm.c后直接覆盖原来.c文件即可。-Program design (in-depth understanding of computer systems) Operating experiment five: Lab 5: Writing a Dynamic Storage Allocator. After extracting the mm.c directly overwrite the original. C file.