tag	line	file	source code
dev_t	7	include/sys/stat.h	dev_t  st_dev;
dev_t	13	include/sys/stat.h	dev_t  st_rdev;
dev_t	220	include/unistd.h	int mknod(const char * filename, mode_t mode, dev_t dev);
dev_t	243	include/unistd.h	int ustat(dev_t dev, struct ustat * ubuf);