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01: /* Copyright (C) 1991, 92, 1996-1999, 2001, 2003 Free Software Foundation, Inc.
02:    This file is part of the GNU C Library.
03: 
04:    The GNU C Library is free software; you can redistribute it and/or
05:    modify it under the terms of the GNU Lesser General Public
06:    License as published by the Free Software Foundation; either
07:    version 2.1 of the License, or (at your option) any later version.
08: 
09:    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, write to the Free
16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17:    02111-1307 USA.  */
18: 
19: #ifndef _WORDEXP_H
20: #define _WORDEXP_H      1
21: 
22: #include <features.h>
23: #define __need_size_t
24: #include <stddef.h>
25: 
26: __BEGIN_DECLS
27: 
28: /* Bits set in the FLAGS argument to `wordexp'.  */
29: enum
30:   {
31:     WRDE_DOOFFS = (1 << 0),     /* Insert PWORDEXP->we_offs NULLs.  */
32:     WRDE_APPEND = (1 << 1),     /* Append to results of a previous call.  */
33:     WRDE_NOCMD = (1 << 2),      /* Don't do command substitution.  */
34:     WRDE_REUSE = (1 << 3),      /* Reuse storage in PWORDEXP.  */
35:     WRDE_SHOWERR = (1 << 4),    /* Don't redirect stderr to /dev/null.  */
36:     WRDE_UNDEF = (1 << 5),      /* Error for expanding undefined variables.  */
37:     __WRDE_FLAGS = (WRDE_DOOFFS | WRDE_APPEND | WRDE_NOCMD |
38:                     WRDE_REUSE | WRDE_SHOWERR | WRDE_UNDEF)
39:   };
40: 
41: /* Structure describing a word-expansion run.  */
42: typedef struct
43:   {
44:     size_t we_wordc;            /* Count of words matched.  */
45:     char **we_wordv;            /* List of expanded words.  */
46:     size_t we_offs;             /* Slots to reserve in `we_wordv'.  */
47:   } wordexp_t;
48: 
49: /* Possible nonzero return values from `wordexp'.  */
50: enum
51:   {
52: #ifdef __USE_XOPEN
53:     WRDE_NOSYS = -1,            /* Never used since we support `wordexp'.  */
54: #endif
55:     WRDE_NOSPACE = 1,           /* Ran out of memory.  */
56:     WRDE_BADCHAR,               /* A metachar appears in the wrong place.  */
57:     WRDE_BADVAL,                /* Undefined var reference with WRDE_UNDEF.  */
58:     WRDE_CMDSUB,                /* Command substitution with WRDE_NOCMD.  */
59:     WRDE_SYNTAX                 /* Shell syntax error.  */
60:   };
61: 
62: /* Do word expansion of WORDS into PWORDEXP.  */
63: extern int wordexp (__const char *__restrict __words,
64:                     wordexp_t *__restrict __pwordexp, int __flags);
65: 
66: /* Free the storage allocated by a `wordexp' call.  */
67: extern void wordfree (wordexp_t *__wordexp) __THROW;
68: 
69: __END_DECLS
70: 
71: #endif /* wordexp.h  */
72: 

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