standards(7) Miscellaneous Information Manual standards(7) standards - C . . V7 7 ( ) AT&T/ 1979. : BSD System V. . BSD 4.2BSD 4.2 . TCP/IP . 4.2BSD 1983. . BSD 3BSD (1980) 4BSD (1980) 4.1BSD (1981). 4.3BSD 4.2BSD 1986. . 4.4BSD 4.3BSD 1993. . . /TS Unix/TS 4 ( System IV). AT&T System III 1981. System V AT&T 1983 System V (). System V release 2 (SVr2) System V 1985. SVr2 System V 1 (SVID 1) 1985. System V release 3 (SVr3) SVr2 1986. System V 2 (SVID 2) . System V release 4 (SVr4) SVr3 1989. System V " : ( )" (Prentice-Hall 1992 ISBN 0-13-951294-2). System V (SVID 3) , System V. SVID 4 V 4 1995. . K&R " " [ . . 1978]. C89 (ANSI) 1989 (X3.159-1989). ANSI C C99 ANSI . . C89 . (ISO) (IEC) 1990 (ISO/IEC 9899:1990) ISO C90. C94 ISO/IEC 1 C90 1994 (ISO/IEC 9899:1990/Cor1:1994). C95 ISO/IEC 1995 (ISO/IEC 9899:1990/Amd1:1995). . C96 ISO/IEC 2 C90 1996 (ISO/IEC 9899:1990/Cor2:1996). . C99 ISO/IEC 1999 (ISO/IEC 9899:1999). ISO/IEC 1 C99 2001 (ISO/IEC 9899:1999/Cor1:2001). ISO/IEC 2 C99 2004 (ISO/IEC 9899:1999/Cor2:2004). ISO/IEC 3 C99 2007 (ISO/IEC 9899:1999/Cor3:2007). . C99 . C11 ISO/IEC 2011 (ISO/IEC 9899:2011). . ISO/IEC 1 C11 2012 (ISO/IEC 9899:2011/Cor1:2012). C17 ISO/IEC 2018 (ISO/IEC 9899:2018). . C23 C ISO/IEC 2024 (ISO/IEC 9899:2024). . POSIX SUS POSIX.1-1988 POSIX IEEE 1998 (IEEE Std 1003.1-1988). "POSIX" . . POSIX.1-1990 1 " ". IEEE 1990 (IEEE Std 1003.1-1990) ISO/IEC 1990 (ISO/IEC 9945-1:1990). . POSIX.2 2 . IEEE 1992 (IEEE Std 1003.2-1992) ISO/IEC 1993 (ISO/IEC 9945-2:1993). POSIX.1b ( POSIX.4) 1b . IEEE 1993 (IEEE Std 1003.1b-1993). POSIX.1c ( POSIX.4a) 1c POSIX. IEEE 1995 (IEEE Std 1003.1c-1995). POSIX.1d 1d . IEEE 1999 (IEEE Std 1003.1d-1999). POSIX.1g 1g ( ). IEEE 2000 (IEEE Std 1003.1g-2000). POSIX.1j 1j . IEEE 2000 (IEEE Std 1003.1j-2000). POSIX.1-1996 POSIX.1 POSIX.1b POSIX.1c. ISO/IEC 1996 (ISO/IEC 9945-1:1996). XPG3 1989 X/Open POSIX (POSIX.1-1988). Issue 3. X/Open . XPG4 X/Open 1992. Issue 4. POSIX.2. XPG4v2 1994 XPG4. Spec 1170 1170 . SUS (SUSv1) UNIX . XPG4v2 X/Open (X/Open Curses Issue 4 version 2, X/Open Networking Service (XNS) Issue 4). UNIX 95. SUSv2 UNIX 2. Issue 5. 1997. UNIX 98. .) POSIX.1-2001 SUSv3 POSIX.1 POSIX.2 SUS 2001 Austin Group . . : POSIX conformance XSI Conformance (" XSI") POSIX. XSI UNIX 03. POSIX.1-2001 : XBD: . XSH: ( ). XCU: ( POSIX.2). XRAT: . POSIX.1-2001 C99 C99 POSIX.1-2001. UNIX 3 (SUSv3) XBD XSH XCU XRAT X/Open Curses Issue 4 2 POSIX.1-2001. POSIX.1-2001 2002 1 POSIX.1-2001 IEEE 2002 (IEEE Std 1003.1-2001/Cor1-2002). POSIX.1-2002. POSIX.1-2001 2004 2 POSIX.1-2001 IEEE 2004 (IEEE Std 1003.1-2001/Cor2-2004). . POSIX.1-2004. POSIX.1-2008 SUSv4 POSIX.1/SUS 2008. , . POSIX.1-2001/SUSv3 . POSIX.1-2001 2008 . POSIX.1-2001 POSIX.1-2008 . . UNIX 4 (SUSv4) XBD XSH XCU XRAT X/Open Curses Issue 7 POSIX.1-2008. : POSIX Conformance XSI Conformance . STANDARDS POSIX.1-2001 POSIX.1-2008 . . POSIX.1-2008 2013 1 POSIX.1-2008 IEEE 2013 (IEEE Std 1003.1-2008/Cor1-2013). . POSIX.1-2013. POSIX.1-2008 2016 2 POSIX.1-2008 IEEE 2016 (IEEE Std 1003.1-2008/Cor2-2016). . SUSv4 2016 POSIX.1-2008 2016 XCurses. POSIX.1-2017 POSIX POSIX.1-2008 2016. IEEE 2017 (IEEE Std 1003.1-2017). . SUSv4 2018 POSIX.1-2017 XCurses. POSIX.1-2024 SUSv5 POSIX.1/SUS IEEE 2024 (IEEE Std 1003.1-2024). . POSIX.1-2024 C17 C17 POSIX.1-2024. . POSIX.1/SUS 0p ( ) 1p () 3p () man 3p open. LFS 1996. 32 ( 64 ). . getconf(1), confstr(3), pathconf(3), sysconf(3), attributes(7), feature_test_macros(7), libc(7), posixoptions(7), system_data_types(7) 3 . . : . 6.18 8 2026 standards(7)