在VxWorks 编程过程中，善于运用宏定义，会给程序设计带来很 大的灵活性。一个好的宏定义会给我们的程序带来事半功倍的效果。-in VxWorks programming process, skillfully use the macros, program design will bring a lot of flexibility. A good definition of Acer will bring our procedures more efficiently.