lib/ctype.in.h

   1 /* A substitute for ISO C99 <ctype.h>, for platforms on which it is incomplete.
   2
   3    Copyright (C) 2009-2024 Free Software Foundation, Inc.
   4
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9
  10    This file is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Written by Bruno Haible.  */
  19
  20 /*
  21  * ISO C 99 <ctype.h> for platforms on which it is incomplete.
  22  * <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/ctype.h.html>
  23  */
  24
  25 #ifndef _@GUARD_PREFIX@_CTYPE_H
  26
  27 #if __GNUC__ >= 3
  28 @PRAGMA_SYSTEM_HEADER@
  29 #endif
  30 @PRAGMA_COLUMNS@
  31
  32 /* Include the original <ctype.h>.  */
  33 /* The include_next requires a split double-inclusion guard.  */
  34 #@INCLUDE_NEXT@ @NEXT_CTYPE_H@
  35
  36 #ifndef _@GUARD_PREFIX@_CTYPE_H
  37 #define _@GUARD_PREFIX@_CTYPE_H
  38
  39 /* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
  40 #if !_GL_CONFIG_H_INCLUDED
  41  #error "Please include config.h first."
  42 #endif
  43
  44 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
  45
  46 /* The definition of _GL_WARN_ON_USE is copied here.  */
  47
  48 /* Return non-zero if c is a blank, i.e. a space or tab character.  */
  49 #if @GNULIB_ISBLANK@
  50 # if !@HAVE_ISBLANK@
  51 _GL_EXTERN_C int isblank (int c);
  52 # endif
  53 #elif defined GNULIB_POSIXCHECK
  54 # undef isblank
  55 # if HAVE_RAW_DECL_ISBLANK
  56 _GL_WARN_ON_USE (isblank, "isblank is unportable - "
  57                  "use gnulib module isblank for portability");
  58 # endif
  59 #endif
  60
  61 #endif /* _@GUARD_PREFIX@_CTYPE_H */
  62 #endif /* _@GUARD_PREFIX@_CTYPE_H */