1 files changed, 57 insertions, 0 deletions
diff --git a/lib/ctype.in.h b/lib/ctype.in.h
new file mode 100644
index 0000000..dc81170
--- /dev/null
+++ b/lib/ctype.in.h
@@ -0,0 +1,57 @@
+/* A substitute for ISO C99 <ctype.h>, for platforms on which it is incomplete.
+
+   Copyright (C) 2009-2022 Free Software Foundation, Inc.
+
+   This file 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.
+
+   This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible.  */
+
+/*
+ * ISO C 99 <ctype.h> for platforms on which it is incomplete.
+ * <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/ctype.h.html>
+ */
+
+#ifndef _@GUARD_PREFIX@_CTYPE_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+@PRAGMA_COLUMNS@
+
+/* Include the original <ctype.h>.  */
+/* The include_next requires a split double-inclusion guard.  */
+#@INCLUDE_NEXT@ @NEXT_CTYPE_H@
+
+#ifndef _@GUARD_PREFIX@_CTYPE_H
+#define _@GUARD_PREFIX@_CTYPE_H
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
+
+/* The definition of _GL_WARN_ON_USE is copied here.  */
+
+/* Return non-zero if c is a blank, i.e. a space or tab character.  */
+#if @GNULIB_ISBLANK@
+# if !@HAVE_ISBLANK@
+_GL_EXTERN_C int isblank (int c);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef isblank
+# if HAVE_RAW_DECL_ISBLANK
+_GL_WARN_ON_USE (isblank, "isblank is unportable - "
+                 "use gnulib module isblank for portability");
+# endif
+#endif
+
+#endif /* _@GUARD_PREFIX@_CTYPE_H */
+#endif /* _@GUARD_PREFIX@_CTYPE_H */