/* file:.h #ndef _LINUX_STRING_H_ # _LINUX_STRING_H_ /* We don't want s.h stuff being user by user stuff by accident */ #def __KERNEL__ # linux/types.h /* for size_t */ # linux/stddef.h /* for NULL */... [阅读全文]

Linux下对时间进行运算如果是到秒级相信大家都用过time的类实现了但要更精确些呢？到毫秒、微秒级呢？ 看看下面这段源代码就明白了: # sys/time.h# stdio.h# math.hvoid function/*用来耗用定时间而已无实际用处*/{ unsigned i,j; double y; for(i=0;i10... [阅读全文]