从uclibc的malloc和glib的glist、timeout提取出来的代码，用于嵌入式开发。分配一块内存用于动态内存，有定时功能，提供双向链表这种容器。用于没有操作系统和c标准库支持的环境。-Uclibc' s malloc and glib from the glist, timeout extracted the code for embedded development. A memory for dynamic memory allocation, there is timing, to provide two-way linked list of this container. For there is no operating system and the c standard library support environment.