1 /* Copyright (C) 1996-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _REGEXP_H 19 #define _REGEXP_H 1 20 21 /* The contents of this header file were originally standardized in 22 the Single Unix Specification, Issue 3 (1992). In Issue 4 (1994) 23 the header was marked as TO BE WITHDRAWN, and new applications 24 were encouraged to use <regex.h> instead. It was officially 25 withdrawn from the standard in Issue 6 (aka POSIX.1-2001). 26 27 The GNU C Library provided this header through version 2.22. */ 28 29 #error "The GNU C Library no longer implements <regexp.h>." 30 #error "Please update your code to use <regex.h> instead (no trailing 'p')." 31 32 #endif /* regexp.h */ 33