-/* A linked list of strings. The list is ordered alphabetically. */
-typedef struct _slist
-{
- char *string;
- struct _slist *next;
-} slist;
-
-char *time_str PARAMS ((time_t *));
-const char *uerrmsg PARAMS ((uerr_t));
-
-char *strdupdelim PARAMS ((const char *, const char *));
-char **sepstring PARAMS ((const char *));
-int frontcmp PARAMS ((const char *, const char *));
-char *pwd_cuserid PARAMS ((char *));
-void fork_to_background PARAMS ((void));
-void path_simplify PARAMS ((char *));
-
-void touch PARAMS ((const char *, time_t));
-int remove_link PARAMS ((const char *));
-int file_exists_p PARAMS ((const char *));
-int file_non_directory_p PARAMS ((const char *));
-int make_directory PARAMS ((const char *));
-char *unique_name PARAMS ((const char *));
-
-int acceptable PARAMS ((const char *));
-int accdir PARAMS ((const char *s, enum accd));
-char *suffix PARAMS ((const char *s));
-
-char *read_whole_line PARAMS ((FILE *));
-void load_file PARAMS ((FILE *, char **, long *));
-
-void free_vec PARAMS ((char **));
-char **merge_vecs PARAMS ((char **, char **));
-slist *add_slist PARAMS ((slist *, const char *, int));
-int in_slist PARAMS ((slist *, const char *));
-void free_slist PARAMS ((slist *));
-
-char *legible PARAMS ((long));
-char *legible_very_long PARAMS ((VERY_LONG_TYPE));
-int numdigit PARAMS ((long));
-void long_to_string PARAMS ((char *, long));
+#define HYPHENP(x) (*(x) == '-' && !*((x) + 1))
+
+char *time_str (time_t);
+char *datetime_str (time_t);
+
+#ifdef DEBUG_MALLOC
+void print_malloc_debug_stats ();
+#endif
+
+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 *, bool);
+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 *read_file (const char *);
+void 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);