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+/* Copyright (C) 1991, 92, 96, 97, 98, 99, 2001 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _WORDEXP_H
+#define _WORDEXP_H 1
+
+#include <features.h>
+#define __need_size_t
+#include <stddef.h>
+
+__BEGIN_DECLS
+
+/* Bits set in the FLAGS argument to `wordexp'. */
+enum
+ {
+ WRDE_DOOFFS = (1 << 0), /* Insert PWORDEXP->we_offs NULLs. */
+ WRDE_APPEND = (1 << 1), /* Append to results of a previous call. */
+ WRDE_NOCMD = (1 << 2), /* Don't do command substitution. */
+ WRDE_REUSE = (1 << 3), /* Reuse storage in PWORDEXP. */
+ WRDE_SHOWERR = (1 << 4), /* Don't redirect stderr to /dev/null. */
+ WRDE_UNDEF = (1 << 5), /* Error for expanding undefined variables. */
+ __WRDE_FLAGS = (WRDE_DOOFFS | WRDE_APPEND | WRDE_NOCMD |
+ WRDE_REUSE | WRDE_SHOWERR | WRDE_UNDEF)
+ };
+
+/* Structure describing a word-expansion run. */
+typedef struct
+ {
+ size_t we_wordc; /* Count of words matched. */
+ char **we_wordv; /* List of expanded words. */
+ size_t we_offs; /* Slots to reserve in `we_wordv'. */
+ } wordexp_t;
+
+/* Possible nonzero return values from `wordexp'. */
+enum
+ {
+#ifdef __USE_XOPEN
+ WRDE_NOSYS = -1, /* Never used since we support `wordexp'. */
+#endif
+ WRDE_NOSPACE = 1, /* Ran out of memory. */
+ WRDE_BADCHAR, /* A metachar appears in the wrong place. */
+ WRDE_BADVAL, /* Undefined var reference with WRDE_UNDEF. */
+ WRDE_CMDSUB, /* Command substitution with WRDE_NOCMD. */
+ WRDE_SYNTAX /* Shell syntax error. */
+ };
+
+/* Do word expansion of WORDS into PWORDEXP. */
+extern int wordexp (__const char *__restrict __words,
+ wordexp_t *__restrict __pwordexp, int __flags) __THROW;
+
+/* Free the storage allocated by a `wordexp' call. */
+extern void wordfree (wordexp_t *__wordexp) __THROW;
+
+__END_DECLS
+
+#endif /* wordexp.h */