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| a.out.h File | Provides for 64-bit object files and executable files. |
| acct.h File | Provides the accounting file format for each process. |
| ar.h File | Describes the small indexed archive file format, in use prior to AIX 4.3. |
| audit.h File | Describes the auditing data structures. |
| core.h File | Contains an image of a process at the time of an error. |
| dirent.h File | Describes the format of a file system-independent directory entry. |
| dlfcn.h File | Describes dynamic linking. |
| eucioctl.h File | Defines ioctl operations and data types for handling EUC code sets. |
| fcntl.h File | Defines the values that can be specified for the Command and Argument parameters of the fcntl subroutine and for the Oflag parameter of the open subroutine |
| filsys.h File | Contains the format of a Journaled File System (JFS) logical volume. |
| flock.h File | Defines file control options. |
| fullstat.h File | Defines the data structure returned by the fullstat subroutine. |
| iconv.h File | Defines types, macros, and subroutines for character code set conversion. |
| inttypes.h File | Contains fixed size integral types. |
| ipc.h File | Describes the structures that are used by the subroutines that perform interprocess communications operations. |
| iso646.h File | Provides alternate spellings. |
| limits.h File | Defines implementation limits identified by IEEE POSIX 1003. |
| math.h File | Defines math subroutines and constants. |
| mode.h File | Defines the interpretation of a file mode. |
| msg.h File | Describes the structures that are used by the subroutines that perform message queueing operations. |
| param.h File | Describes system parameters. |
| poll.h File | Defines the structures and flags used by the poll subroutine. |
| pthread.h File | Lists threads. |
| pwd.h File | Describes password structure. |
| sem.h File | Describes the structures that are used by subroutines that perform semaphore operations. |
| sgtty.h File | Provides the terminal interface for the Berkeley line discipline. |
| shm.h File | Describes the structures that are used by the subroutines that perform shared memory operations. |
| spc.h File | Defines external interfaces provided by the System Resource Controller (SRC) subroutines. |
| srcobj.h File | Defines object structures used by the System Resource Controller (SRC) subsystem. |
| stat.h File | Defines the data structures returned by the stat family of subroutines. |
| statfs.h File | Describes the structure of the statistics returned by the statfs, fstatfs, or ustat subroutine. |
| statvfs.h File | Describes the structure of the statistics that are returned by the statvfs subroutines and fsatvfs subroutines. |
| systemcfg.h File | Defines the _system_configuration structure. |
| tar.h | Contains definitions for flags used in the tar archive header. |
| termios.h File | Defines the structure of the termios file, which provides the terminal interface for POSIX compatibility. |
| termiox.h File | Defines the structure of the termiox file, which provides the extended terminal interface. |
| types.h File | Defines primitive system data types. |
| unistd.h File | Defines implementation characteristics identified by POSIX standard. |
| utmp.h File | Defines the structures of certain user and accounting information files. |
| values.h File | Defines machine-dependent values. |
| vmount.h File | Defines the structure of the data associated with a virtual file system. |
| wctype.h File | Contains wide-character classification and mapping utilities. |
| fxconst.inc File for HCON | Provides fxfer function constants for a Pascal file-transfer program. |
| fxfer.h File for HCON | Contains the fxc and fxs data structures for the C file-transfer functions. |
| fxfer.inc File for HCON | Contains the fxc and fxs records for Pascal file-transfer functions. |
| fxhfile.inc File for HCON | Contains external declarations for Pascal file transfer. |
| g32_api.h File for HCON | Contains associated API symbol definitions and data structures. |
| g32const.inc File for HCON | Defines Pascal HCON API constants. |
| g32hfile.inc File for HCON | Contains HCON API external definitions for Pascal language. |
| g32_keys.h File for HCON | Contains common API key value definitions. |
| g32keys.inc File for HCON | Contains common API key-value definitions. |
| g32types.inc File for HCON | Contains Pascal API data types. |
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