v7 man page for types

TYPES(5)							File Formats Manual							  TYPES(5)

NAME
       types - primitive system data types

SYNOPSIS
       #include <sys/types.h>

DESCRIPTION
       The data types defined in the include file are used in UNIX system code; some data of these types are accessible to user code:

       The  form  daddr_t is used for disk addresses except in an i-node on disk, see filsys(5).  Times are encoded in seconds since 00:00:00 GMT,
       January 1, 1970.  The major and minor parts of a device code specify kind and unit number of a device and are installation-dependent.  Off-
       sets  are measured in bytes from the beginning of a file.  The label_t variables are used to save the processor state while another process
       is running.

SEE ALSO
       filsys(5), time(2), lseek(2), adb(1)

																	  TYPES(5)