自己实现的Linux下多实例定时器timer，超好用，有测试代码和Makefile. 包含: timer.h/c and main.c and Makefile.-Own implementation of multiple instances of Linux timer, super useful, a test code and Makefile. Include: timer.h/c and main.c and Makefile.

一个小的定时器的C语言在Linux，每一秒一次，你可以设置一个固定的时间-A small timer C language under Linux, every second time once, you can set a regular time