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diff --git a/src/utils.h b/src/utils.h
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+/* Declarations for utils.c.
+   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+   Inc.
+
+This file is part of GNU Wget.
+
+GNU Wget is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+GNU Wget 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Wget.  If not, see <http://www.gnu.org/licenses/>.
+
+Additional permission under GNU GPL version 3 section 7
+
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work.  */
+
+#ifndef UTILS_H
+#define UTILS_H
+
+/* Constant is using when we don`t know attempted size exactly */
+#define UNKNOWN_ATTEMPTED_SIZE -3
+
+/* Macros that interface to malloc, but know about type sizes, and
+   cast the result to the appropriate type.  The casts are not
+   necessary in standard C, but Wget performs them anyway for the sake
+   of pre-standard environments and possibly C++.  */
+
+#define xnew(type) (xmalloc (sizeof (type)))
+#define xnew0(type) (xcalloc (1, sizeof (type)))
+#define xnew_array(type, len) (xmalloc ((len) * sizeof (type)))
+#define xnew0_array(type, len) (xcalloc ((len), sizeof (type)))
+
+#define alloca_array(type, size) ((type *) alloca ((size) * sizeof (type)))
+
+#define xfree free
+/* Free P if it is non-NULL.  C requires free() to behaves this way by
+   default, but Wget's code is historically careful not to pass NULL
+   to free.  This allows us to assert p!=NULL in xfree to check
+   additional errors.  (But we currently don't do that!)  */
+#define xfree_null(p) if (!(p)) ; else xfree (p)
+
+struct hash_table;
+
+struct file_memory {
+  char *content;
+  long length;
+  int mmap_p;
+};
+
+#define HYPHENP(x) (*(x) == '-' && !*((x) + 1))
+
+char *time_str (time_t);
+char *datetime_str (time_t);
+
+char *xstrdup_lower (const char *);
+
+char *strdupdelim (const char *, const char *);
+char **sepstring (const char *);
+bool subdir_p (const char *, const char *);
+void fork_to_background (void);
+
+char *aprintf (const char *, ...) GCC_FORMAT_ATTR (1, 2);
+char *concat_strings (const char *, ...);
+
+void touch (const char *, time_t);
+int remove_link (const char *);
+bool file_exists_p (const char *);
+bool file_non_directory_p (const char *);
+wgint file_size (const char *);
+int make_directory (const char *);
+char *unique_name (const char *, bool);
+FILE *unique_create (const char *, bool, char **);
+FILE *fopen_excl (const char *, int);
+char *file_merge (const char *, const char *);
+
+int fnmatch_nocase (const char *, const char *, int);
+bool acceptable (const char *);
+bool accdir (const char *s);
+char *suffix (const char *s);
+bool match_tail (const char *, const char *, bool);
+bool has_wildcards_p (const char *);
+
+bool has_html_suffix_p (const char *);
+
+char *read_whole_line (FILE *);
+struct file_memory *wget_read_file (const char *);
+void wget_read_file_free (struct file_memory *);
+
+void free_vec (char **);
+char **merge_vecs (char **, char **);
+char **vec_append (char **, const char *);
+
+void string_set_add (struct hash_table *, const char *);
+int string_set_contains (struct hash_table *, const char *);
+void string_set_to_array (struct hash_table *, char **);
+void string_set_free (struct hash_table *);
+void free_keys_and_values (struct hash_table *);
+
+const char *with_thousand_seps (wgint);
+
+/* human_readable must be able to accept wgint and SUM_SIZE_INT
+   arguments.  On machines where wgint is 32-bit, declare it to accept
+   double.  */
+#if SIZEOF_WGINT >= 8
+# define HR_NUMTYPE wgint
+#else
+# define HR_NUMTYPE double
+#endif
+char *human_readable (HR_NUMTYPE);
+
+
+int numdigit (wgint);
+char *number_to_string (char *, wgint);
+char *number_to_static_string (wgint);
+
+int determine_screen_width (void);
+int random_number (int);
+double random_float (void);
+
+bool run_with_timeout (double, void (*) (void *), void *);
+void xsleep (double);
+
+/* How many bytes it will take to store LEN bytes in base64.  */
+#define BASE64_LENGTH(len) (4 * (((len) + 2) / 3))
+
+int base64_encode (const void *, int, char *);
+int base64_decode (const char *, void *);
+
+void stable_sort (void *, size_t, size_t, int (*) (const void *, const void *));
+
+const char *print_decimal (double);
+
+extern unsigned char char_prop[];
+
+#endif /* UTILS_H */