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509 lines
18 KiB
C
509 lines
18 KiB
C
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/* $Id: unistd.h,v 1.5 2002/10/29 04:45:25 rex Exp $
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*/
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/*
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* unistd.h
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*
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* standard symbolic constants and types. Conforming to the Single UNIX(r)
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* Specification Version 2, System Interface & Headers Issue 5
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*
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* This file is part of the ReactOS Operating System.
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*
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* Contributors:
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* Created by KJK::Hyperion <noog@libero.it>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __UNISTD_H_INCLUDED__
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#define __UNISTD_H_INCLUDED__
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/* INCLUDES */
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#include <sys/types.h>
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#include <stdio.h>
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#include <inttypes.h>
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/* OBJECTS */
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extern char *optarg;
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extern int optind, opterr, optopt;
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/* TYPES */
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/* CONSTANTS */
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/* FIXME: set these constants appropriately */
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/* Integer value indicating version of the ISO<53>POSIX-1 standard (C
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language binding). */
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#define _POSIX_VERSION (0)
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/* Integer value indicating version of the ISO POSIX-2 standard
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(Commands). */
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#define _POSIX2_VERSION (0)
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/* Integer value indicating version of the ISO POSIX-2 standard (C
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language binding). */
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#define _POSIX2_C_VERSION (0)
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/* Integer value indicating version of the X/Open Portability Guide to
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which the implementation conforms. */
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#define _XOPEN_VERSION (500)
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/* The version of the XCU specification to which the implementation
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conforms */
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/* TODO: set to an appropriate value when commands and utilities will
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be available */
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#define _XOPEN_XCU_VERSION (-1)
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#if _XOPEN_XCU_VERSION != -1
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#error TODO: define these constants
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#define _POSIX2_C_BIND
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#define _POSIX2_C_VERSION
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#define _POSIX2_CHAR_TERM
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#define _POSIX2_LOCALEDEF
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#define _POSIX2_UPE
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#define _POSIX2_VERSION
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#endif
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#if 0
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/* TODO: check for conformance to the following specs */
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#define _XOPEN_XPG2
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#define _XOPEN_XPG3
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#define _XOPEN_XPG4
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#define _XOPEN_UNIX
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#endif
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#if 0
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/* TODO: don't forget these features */
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/* The use of chown() is restricted to a process with appropriate
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privileges, and to changing the group ID of a file only to the
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effective group ID of the process or to one of its supplementary
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group IDs. */
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#define _POSIX_CHOWN_RESTRICTED
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/* Terminal special characters defined in <termios.h> can be disabled
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using this character value. */
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#define _POSIX_VDISABLE
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/* Each process has a saved set-user-ID and a saved set-group-ID. */
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#define _POSIX_SAVED_IDS
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/* Implementation supports job control. */
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#define _POSIX_JOB_CONTROL
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#endif
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/* Pathname components longer than {NAME_MAX} generate an error. */
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#define _POSIX_NO_TRUNC (1)
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/* The implementation supports the threads option. */
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#define _POSIX_THREADS (1)
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/* FIXME: none of the following is strictly true yet */
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/* The implementation supports the thread stack address attribute
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option. */ /* FIXME: not currently implemented. Should be trivial */
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#define _POSIX_THREAD_ATTR_STACKADDR (1)
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/* The implementation supports the thread stack size attribute
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option. */ /* FIXME: not currently implemented. Should be trivial */
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#define _POSIX_THREAD_ATTR_STACKSIZE (1)
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/* The implementation supports the process-shared synchronisation
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option. */ /* FIXME? not sure */
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#define _POSIX_THREAD_PROCESS_SHARED (1)
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/* The implementation supports the thread-safe functions option. */
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/* FIXME: fix errno (currently not thread-safe) */
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#define _POSIX_THREAD_SAFE_FUNCTIONS (1)
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/*
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<EFBFBD>Constants for Options and Feature Groups
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*/
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/* Implementation supports the C Language Binding option. This will
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always have a value other than -1. */
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#define _POSIX2_C_BIND (1)
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/* Implementation supports the C Language Development Utilities
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option. */ /* FIXME: please change this when C compiler and
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utilities are ported */
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#define _POSIX2_C_DEV (-1)
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/* Implementation supports at least one terminal type. */ /* FIXME:
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please change this when terminal emulation is complete */
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#define _POSIX2_CHAR_TERM (-1)
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/* Implementation supports the FORTRAN Development Utilities option. */
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/* FIXME: please change this when Fortran compiler and utilities are
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ported */
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#define _POSIX2_FORT_DEV (-1)
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/* Implementation supports the FORTRAN Run-time Utilities option. */
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/* FIXME: please change this when Fortran runtimes are ported */
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#define _POSIX2_FORT_RUN (-1)
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/* Implementation supports the creation of locales by the localedef
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utility. */ /* FIXME: please change this when locales are ready */
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#define _POSIX2_LOCALEDEF (-1)
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/* Implementation supports the Software Development Utilities option. */
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/* FIXME? */
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#define _POSIX2_SW_DEV (-1)
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/* The implementation supports the User Portability Utilities option. */
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/* FIXME? */
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#define _POSIX2_UPE (-1)
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/* The implementation supports the X/Open Encryption Feature Group. */
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/* FIXME: please change this when encryption is ready */
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#define _XOPEN_CRYPT (-1)
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/* The implementation supports the Issue 4, Version 2 Enhanced
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Internationalisation Feature Group. This is always set to a value
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other than -1. */ /* TODO: high priority. Support for this feature is
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needed for a conforming implementation */
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#define _XOPEN_ENH_I18N (-1)
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/* The implementation supports the Legacy Feature Group. */
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#define _XOPEN_LEGACY (1)
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/* The implementation supports the X/Open Realtime Feature Group. */
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/* FIXME? unlikely to be ever supported */
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#define _XOPEN_REALTIME (-1)
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/* The implementation supports the X/Open Realtime Threads Feature
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Group. */ /* FIXME? really unlikely to be ever supported */
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#define _XOPEN_REALTIME_THREADS (-1)
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/* The implementation supports the Issue 4, Version 2 Shared Memory
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Feature Group. This is always set to a value other than -1. */ /* TODO:
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high priority. Support for this feature is needed for a conforming
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implementation */
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#define _XOPEN_SHM (-1)
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/* Implementation provides a C-language compilation environment with
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32-bit int, long, pointer and off_t types. */
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#define _XBS5_ILP32_OFF32 (1)
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/* Implementation provides a C-language compilation environment with
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32-bit int, long and pointer types and an off_t type using at
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least 64 bits. */ /* FIXME? check the off_t type */
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#define _XBS5_ILP32_OFFBIG (1)
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/* Implementation provides a C-language compilation environment with
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32-bit int and 64-bit long, pointer and off_t types. */ /* FIXME: on
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some architectures this may be true */
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#define _XBS5_LP64_OFF64 (-1)
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/* Implementation provides a C-language compilation environment with
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an int type using at least 32 bits and long, pointer and off_t
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types using at least 64 bits. */ /* FIXME: on some architectures
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this may be true */
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#define _XBS5_LPBIG_OFFBIG (-1)
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/* Implementation supports the File Synchronisation option. */
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/* TODO: high priority. Implement this */
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#define _POSIX_FSYNC
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/* Implementation supports the Memory Mapped Files option. */
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/* TODO: high priority. Implement this */
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#define _POSIX_MAPPED_FILES
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/* Implementation supports the Memory Protection option. */
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/* TODO: high priority. Implement this */
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#define _POSIX_MEMORY_PROTECTION
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#if 0
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/* Implementation supports the Prioritized Input and Output option. */
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/* FIXME? unlikely to be ever supported */
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#define _POSIX_PRIORITIZED_IO
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#endif
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/* FIXME: these should be implemented */
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/* Asynchronous input or output operations may be performed for the
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associated file. */
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#define _POSIX_ASYNC_IO (-1)
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/* Prioritized input or output operations may be performed for the
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associated file. */
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#define _POSIX_PRIO_IO (-1)
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/* Synchronised input or output operations may be performed for the
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associated file. */
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#define _POSIX_SYNC_IO (-1)
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/*
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null pointer
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*/
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#ifndef NULL
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/* NULL seems to be defined pretty much everywhere - we prevent
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redefinition */
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#define NULL ((void *)(0))
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#endif
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/*
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constants for the access() function
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*/
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#define R_OK (0x00000004) /* Test for read permission. */
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#define W_OK (0x00000002) /* Test for write permission. */
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#define X_OK (0x00000001) /* Test for execute (search) permission. */
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#define F_OK (0) /* Test for existence of file. */
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/*
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constants for the confstr() function
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*/
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#define _CS_PATH (1)
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#define _CS_XBS5_ILP32_OFF32_CFLAGS (2)
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#define _CS_XBS5_ILP32_OFF32_LDFLAGS (3)
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#define _CS_XBS5_ILP32_OFF32_LIBS (4)
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#define _CS_XBS5_ILP32_OFF32_LINTFLAGS (5)
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#define _CS_XBS5_ILP32_OFFBIG_CFLAGS (6)
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#define _CS_XBS5_ILP32_OFFBIG_LDFLAGS (7)
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#define _CS_XBS5_ILP32_OFFBIG_LIBS (8)
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#define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS (9)
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#define _CS_XBS5_LP64_OFF64_CFLAGS (10)
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#define _CS_XBS5_LP64_OFF64_LDFLAGS (11)
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#define _CS_XBS5_LP64_OFF64_LIBS (12)
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#define _CS_XBS5_LP64_OFF64_LINTFLAGS (13)
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#define _CS_XBS5_LPBIG_OFFBIG_CFLAGS (14)
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#define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS (15)
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#define _CS_XBS5_LPBIG_OFFBIG_LIBS (16)
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#define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS (17)
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/*
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constants for the lseek() and fcntl() functions
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*/
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#define SEEK_SET (0) /* Set file offset to offset. */
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#define SEEK_CUR (1) /* Set file offset to current plus offset. */
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#define SEEK_END (2) /* Set file offset to EOF plus offset. */
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/*
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constants for pathconf()
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*/
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/* constants 1 to 9 are the same as in Microsoft POSIX */
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#define _PC_LINK_MAX ( 1)
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#define _PC_MAX_CANON ( 2)
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#define _PC_MAX_INPUT ( 3)
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#define _PC_NAME_MAX ( 4)
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#define _PC_PATH_MAX ( 5)
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#define _PC_PIPE_BUF ( 6)
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#define _PC_CHOWN_RESTRICTED ( 7)
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#define _PC_NO_TRUNC ( 8)
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#define _PC_VDISABLE ( 9)
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/* from this point, constants are in no particular order */
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#define _PC_ALLOC_SIZE_MIN ( 10)
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#define _PC_ASYNC_IO ( 11)
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#define _PC_FILESIZEBITS ( 12)
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#define _PC_PRIO_IO ( 13)
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#define _PC_REC_INCR_XFER_SIZE ( 14)
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#define _PC_REC_MAX_XFER_SIZE ( 15)
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#define _PC_REC_MIN_XFER_SIZE ( 16)
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#define _PC_REC_XFER_ALIGN ( 17)
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#define _PC_SYNC_IO ( 18)
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/*
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constants for sysconf()
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*/
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/* constants 1 to 10 are the same as in Microsoft POSIX */
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#define _SC_ARG_MAX ( 1)
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#define _SC_CHILD_MAX ( 2)
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#define _SC_CLK_TCK ( 3)
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#define _SC_NGROUPS_MAX ( 4)
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#define _SC_OPEN_MAX ( 5)
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#define _SC_JOB_CONTROL ( 6)
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#define _SC_SAVED_IDS ( 7)
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#define _SC_STREAM_MAX ( 8)
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#define _SC_TZNAME_MAX ( 9)
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#define _SC_VERSION ( 10)
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/* from this point, constants are in no particular order */
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#define _SC_2_C_BIND ( 11)
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#define _SC_2_C_DEV ( 12)
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#define _SC_2_C_VERSION ( 13)
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#define _SC_2_FORT_DEV ( 14)
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#define _SC_2_FORT_RUN ( 15)
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#define _SC_2_LOCALEDEF ( 16)
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#define _SC_2_SW_DEV ( 17)
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#define _SC_2_UPE ( 18)
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#define _SC_2_VERSION ( 19)
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#define _SC_AIO_LISTIO_MAX ( 20)
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#define _SC_AIO_MAX ( 21)
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#define _SC_AIO_PRIO_DELTA_MAX ( 22)
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#define _SC_ASYNCHRONOUS_IO ( 23)
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#define _SC_ATEXIT_MAX ( 24)
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#define _SC_BC_BASE_MAX ( 25)
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#define _SC_BC_DIM_MAX ( 26)
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#define _SC_BC_SCALE_MAX ( 27)
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#define _SC_BC_STRING_MAX ( 28)
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#define _SC_COLL_WEIGHTS_MAX ( 29)
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#define _SC_DELAYTIMER_MAX ( 30)
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#define _SC_EXPR_NEST_MAX ( 31)
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#define _SC_FSYNC ( 32)
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#define _SC_GETGR_R_SIZE_MAX ( 33)
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#define _SC_GETPW_R_SIZE_MAX ( 34)
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#define _SC_IOV_MAX ( 35)
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#define _SC_LINE_MAX ( 36)
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#define _SC_LOGIN_NAME_MAX ( 37)
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#define _SC_MAPPED_FILES ( 38)
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#define _SC_MEMLOCK ( 39)
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#define _SC_MEMLOCK_RANGE ( 40)
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#define _SC_MEMORY_PROTECTION ( 41)
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#define _SC_MESSAGE_PASSING ( 42)
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#define _SC_MQ_OPEN_MAX ( 43)
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#define _SC_MQ_PRIO_MAX ( 44)
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#define _SC_PAGE_SIZE ( 45)
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#define _SC_PASS_MAX ( 46) /* LEGACY */
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#define _SC_PRIORITIZED_IO ( 47)
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#define _SC_PRIORITY_SCHEDULING ( 48)
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#define _SC_RE_DUP_MAX ( 49)
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#define _SC_REALTIME_SIGNALS ( 50)
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#define _SC_RTSIG_MAX ( 51)
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#define _SC_SEMAPHORES ( 52)
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#define _SC_SEM_NSEMS_MAX ( 53)
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#define _SC_SEM_VALUE_MAX ( 54)
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#define _SC_SHARED_MEMORY_OBJECTS ( 55)
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#define _SC_SIGQUEUE_MAX ( 56)
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#define _SC_SYNCHRONIZED_IO ( 57)
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#define _SC_THREADS ( 58)
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#define _SC_THREAD_ATTR_STACKADDR ( 59)
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#define _SC_THREAD_ATTR_STACKSIZE ( 60)
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#define _SC_THREAD_DESTRUCTOR_ITERATIONS ( 61)
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#define _SC_THREAD_KEYS_MAX ( 62)
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#define _SC_THREAD_PRIORITY_SCHEDULING ( 63)
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|||
|
#define _SC_THREAD_PRIO_INHERIT ( 64)
|
|||
|
#define _SC_THREAD_PRIO_PROTECT ( 65)
|
|||
|
#define _SC_THREAD_PROCESS_SHARED ( 66)
|
|||
|
#define _SC_THREAD_SAFE_FUNCTIONS ( 67)
|
|||
|
#define _SC_THREAD_STACK_MIN ( 68)
|
|||
|
#define _SC_THREAD_THREADS_MAX ( 69)
|
|||
|
#define _SC_TIMERS ( 70)
|
|||
|
#define _SC_TIMER_MAX ( 71)
|
|||
|
#define _SC_TTY_NAME_MAX ( 72)
|
|||
|
#define _SC_XOPEN_VERSION ( 73)
|
|||
|
#define _SC_XOPEN_CRYPT ( 74)
|
|||
|
#define _SC_XOPEN_ENH_I18N ( 75)
|
|||
|
#define _SC_XOPEN_SHM ( 76)
|
|||
|
#define _SC_XOPEN_UNIX ( 77)
|
|||
|
#define _SC_XOPEN_XCU_VERSION ( 78)
|
|||
|
#define _SC_XOPEN_LEGACY ( 79)
|
|||
|
#define _SC_XOPEN_REALTIME ( 80)
|
|||
|
#define _SC_XOPEN_REALTIME_THREADS ( 81)
|
|||
|
#define _SC_XBS5_ILP32_OFF32 ( 82)
|
|||
|
#define _SC_XBS5_ILP32_OFFBIG ( 83)
|
|||
|
#define _SC_XBS5_LP64_OFF64 ( 84)
|
|||
|
#define _SC_XBS5_LPBIG_OFFBIG ( 85)
|
|||
|
|
|||
|
|
|||
|
#define _SC_PAGESIZE _SC_PAGE_SIZE
|
|||
|
|
|||
|
/* possible values for the function argument to the lockf() function */
|
|||
|
#define F_LOCK (1) /* Lock a section for exclusive use. */
|
|||
|
#define F_ULOCK (2) /* Unlock locked sections. */
|
|||
|
#define F_TEST (3) /* Test section for locks by other processes. */
|
|||
|
#define F_TLOCK (4) /* Test and lock a section for exclusive use. */
|
|||
|
|
|||
|
#define STDIN_FILENO (0) /* File number of stdin. */
|
|||
|
#define STDOUT_FILENO (1) /* File number of stdout. */
|
|||
|
#define STDERR_FILENO (2) /* File number of stderr. */
|
|||
|
|
|||
|
/* PROTOTYPES */
|
|||
|
int access(const char *, int);
|
|||
|
unsigned int alarm(unsigned int);
|
|||
|
int brk(void *);
|
|||
|
int chdir(const char *);
|
|||
|
int chroot(const char *); /* LEGACY */
|
|||
|
int chown(const char *, uid_t, gid_t);
|
|||
|
int close(int);
|
|||
|
size_t confstr(int, char *, size_t);
|
|||
|
char *crypt(const char *, const char *);
|
|||
|
char *ctermid(char *);
|
|||
|
char *cuserid(char *s); /* LEGACY */
|
|||
|
int dup(int);
|
|||
|
int dup2(int, int);
|
|||
|
void encrypt(char[64], int);
|
|||
|
int execl(const char *, const char *, ...);
|
|||
|
int execle(const char *, const char *, ...);
|
|||
|
int execlp(const char *, const char *, ...);
|
|||
|
int execv(const char *, char *const []);
|
|||
|
int execve(const char *, char *const [], char *const []);
|
|||
|
int execvp(const char *, char *const []);
|
|||
|
void _exit(int);
|
|||
|
int fchown(int, uid_t, gid_t);
|
|||
|
int fchdir(int);
|
|||
|
int fdatasync(int);
|
|||
|
pid_t fork(void);
|
|||
|
long int fpathconf(int, int);
|
|||
|
int fsync(int);
|
|||
|
int ftruncate(int, off_t);
|
|||
|
char *getcwd(char *, size_t);
|
|||
|
int getdtablesize(void); /* LEGACY */
|
|||
|
gid_t getegid(void);
|
|||
|
uid_t geteuid(void);
|
|||
|
gid_t getgid(void);
|
|||
|
int getgroups(int, gid_t []);
|
|||
|
long gethostid(void);
|
|||
|
char *getlogin(void);
|
|||
|
int getlogin_r(char *, size_t);
|
|||
|
int getopt(int, char * const [], const char *);
|
|||
|
int getpagesize(void); /* LEGACY */
|
|||
|
char *getpass(const char *); /* LEGACY */
|
|||
|
pid_t getpgid(pid_t);
|
|||
|
pid_t getpgrp(void);
|
|||
|
pid_t getpid(void);
|
|||
|
pid_t getppid(void);
|
|||
|
pid_t getsid(pid_t);
|
|||
|
uid_t getuid(void);
|
|||
|
char *getwd(char *);
|
|||
|
int isatty(int);
|
|||
|
int lchown(const char *, uid_t, gid_t);
|
|||
|
int link(const char *, const char *);
|
|||
|
int lockf(int, int, off_t);
|
|||
|
off_t lseek(int, off_t, int);
|
|||
|
int nice(int);
|
|||
|
long int pathconf(const char *, int);
|
|||
|
int pause(void);
|
|||
|
int pipe(int [2]);
|
|||
|
ssize_t pread(int, void *, size_t, off_t);
|
|||
|
int pthread_atfork(void (*)(void), void (*)(void),
|
|||
|
void(*)(void));
|
|||
|
ssize_t pwrite(int, const void *, size_t, off_t);
|
|||
|
ssize_t read(int, void *, size_t);
|
|||
|
int readlink(const char *, char *, size_t);
|
|||
|
int rmdir(const char *);
|
|||
|
void *sbrk(intptr_t);
|
|||
|
int setgid(gid_t);
|
|||
|
int setpgid(pid_t, pid_t);
|
|||
|
pid_t setpgrp(void);
|
|||
|
int setregid(gid_t, gid_t);
|
|||
|
int setreuid(uid_t, uid_t);
|
|||
|
pid_t setsid(void);
|
|||
|
int setuid(uid_t);
|
|||
|
unsigned int sleep(unsigned int);
|
|||
|
void swab(const void *, void *, ssize_t);
|
|||
|
int symlink(const char *, const char *);
|
|||
|
void sync(void);
|
|||
|
long int sysconf(int);
|
|||
|
pid_t tcgetpgrp(int);
|
|||
|
int tcsetpgrp(int, pid_t);
|
|||
|
int truncate(const char *, off_t);
|
|||
|
char *ttyname(int);
|
|||
|
int ttyname_r(int, char *, size_t);
|
|||
|
useconds_t ualarm(useconds_t, useconds_t);
|
|||
|
int unlink(const char *);
|
|||
|
int usleep(useconds_t);
|
|||
|
pid_t vfork(void);
|
|||
|
ssize_t write(int, const void *, size_t);
|
|||
|
|
|||
|
/* MACROS */
|
|||
|
|
|||
|
#endif /* __UNISTD_H_INCLUDED__ */
|
|||
|
|
|||
|
/* EOF */
|
|||
|
|