C语言中命名空间的实现 foobar.h 1//inclusion guard2#ifndef FOOBAR_H_3#defineFOOBAR_H_45/// long names6//int foobar_some_func(int);7//void foobar_other_func();8intsome_func(int);9voidother_func();1011//short names12#ifdef NAMESPACE foobar13#definesome_func(...) foobar_some_func(_...