4BSD/usr/include/sys/types.h
typedef struct _physadr { int r[1]; } *physadr;
typedef long daddr_t;
typedef char * caddr_t;
typedef unsigned short ino_t;
typedef int swblk_t;
typedef int size_t;
typedef long time_t;
typedef long label_t[14];
typedef short dev_t;
typedef long off_t;
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;
/* major part of a device */
#define major(x) ((int)(((unsigned)(x)>>8)&0377))
/* minor part of a device */
#define minor(x) ((int)((x)&0377))
/* make a device number */
#define makedev(x,y) ((dev_t)(((x)<<8) | (y)))