dev_t − device ID
Standard C library (libc)
#include <sys/types.h>
typedef /* ... */ dev_t;
Used for device IDs. It is an integer type. For further details of this type, see makedev(3).
POSIX.1-2008.
POSIX.1-2001.
The following header also provides this type: <sys/stat.h>.
mknod(2), stat(3type)