0  h00 +lz*Clq@Cqţ i_I|+?/* Copyright (C) 1991-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* * POSIX Standard: 2.10 Symbolic Constants */ #ifndef _UNISTD_H #define _UNISTD_H 1 #include __BEGIN_DECLS /* These may be used to determine what facilities are present at compile time. Their values can be obtained at run time from `sysconf'. */ #ifdef __USE_XOPEN2K8 /* POSIX Standard approved as ISO/IEC 9945-1 as of September 2008. */ # define _POSIX_VERSION 200809L #elif defined __USE_XOPEN2K /* POSIX Standard approved as ISO/IEC 9945-1 as of December 2001. */ # define _POSIX_VERSION 200112L #elif defined __USE_POSIX199506 /* POSIX Standard approved as ISO/IEC 9945-1 as of June 1995. */ # define _POSIX_VERSION 199506L #elif defined __USE_POSIX199309 /* POSIX Standard approved as ISO/IEC 9945-1 as of September 1993. */ # define _POSIX_VERSION 199309L #else /* POSIX Standard approved as ISO/IEC 9945-1 as of September 1990. */ # define _POSIX_VERSION 199009L #endif /* These are not #ifdef __USE_POSIX2 because they are in the theoretically application-owned namespace. */ #ifdef __USE_XOPEN2K8 # define __POSIX2_THIS_VERSION 200809L /* The utilities on GNU systems also correspond to this version. */ #elif defined __USE_XOPEN2K /* The utilities on GNU systems also correspond to this version. */ # define __POSIX2_THIS_VERSION 200112L #elif defined __USE_POSIX199506 /* The utilities on GNU systems also correspond to this version. */ # define __POSIX2_THIS_VERSION 199506L #else /* The utilities on GNU systems also correspond to this version. */ # define __POSIX2_THIS_VERSION 199209L #endif /* The utilities on GNU systems also correspond to this version. */ #define _POSIX2_VERSION __POSIX2_THIS_VERSION /* This symbol was required until the 2001 edition of POSIX. */ #define _POSIX2_C_VERSION __POSIX2_THIS_VERSION /* If defined, the implementation supports the C Language Bindings Option. */ #define _POSIX2_C_BIND __POSIX2_THIS_VERSION /* If defined, the implementation supports the C Language Development Utilities Option. */ #define _POSIX2_C_DEV __POSIX2_THIS_VERSION /* If defined, the implementation supports the Software Development Utilities Option. */ #define _POSIX2_SW_DEV __POSIX2_THIS_VERSION /* If defined, the implementation supports the creation of locales with the localedef utility. */ #define _POSIX2_LOCALEDEF __POSIX2_THIS_VERSION /* X/Open version number to which the library conforms. It is selectable. */ #ifdef __USE_XOPEN2K8 # define _XOPEN_VERSION 700 #elif defined __USE_XOPEN2K # define _XOPEN_VERSION 600 #elif defined __USE_UNIX98 # define _XOPEN_VERSION 500 #else # define _XOPEN_VERSION 4 #endif /* Commands and utilities from XPG4 are available. */ #define _XOPEN_XCU_VERSION 4 /* We are compatible with the old published standards as well. */ #define _XOPEN_XPG2 1 #define _XOPEN_XPG3 1 #define _XOPEN_XPG4 1 /* The X/Open Unix extensions are available. */ #define _XOPEN_UNIX 1 /* The enhanced internationalization capabilities according to XPG4.2 are present. */ #define _XOPEN_ENH_I18N 1 /* The legacy interfaces are also available. */ #define _XOPEN_LEGACY 1 /* Get values of POSIX options: If these symbols are defined, the corresponding features