dev_t类型 dev_t :主设备号12位次设备号20位相关内核代码:#define MINORBITS 20#define MINORMASK ((1U << MINORBITS) - 1)#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))#define MINOR(dev) ((unsig Other 2024-01-09 137 点赞 2 评论 207 浏览
