-static void Ada_funcs __P((FILE *));
-static void Asm_labels __P((FILE *));
-static void C_entries __P((int c_ext, FILE *));
-static void default_C_entries __P((FILE *));
-static void plain_C_entries __P((FILE *));
-static void Cjava_entries __P((FILE *));
-static void Cobol_paragraphs __P((FILE *));
-static void Cplusplus_entries __P((FILE *));
-static void Cstar_entries __P((FILE *));
-static void Erlang_functions __P((FILE *));
-static void Forth_words __P((FILE *));
-static void Fortran_functions __P((FILE *));
-static void HTML_labels __P((FILE *));
-static void Lisp_functions __P((FILE *));
-static void Lua_functions __P((FILE *));
-static void Makefile_targets __P((FILE *));
-static void Pascal_functions __P((FILE *));
-static void Perl_functions __P((FILE *));
-static void PHP_functions __P((FILE *));
-static void PS_functions __P((FILE *));
-static void Prolog_functions __P((FILE *));
-static void Python_functions __P((FILE *));
-static void Scheme_functions __P((FILE *));
-static void TeX_commands __P((FILE *));
-static void Texinfo_nodes __P((FILE *));
-static void Yacc_entries __P((FILE *));
-static void just_read_file __P((FILE *));
-
-static void print_language_names __P((void));
-static void print_version __P((void));
-static void print_help __P((argument *));
-int main __P((int, char **));
-
-static compressor *get_compressor_from_suffix __P((char *, char **));
-static language *get_language_from_langname __P((const char *));
-static language *get_language_from_interpreter __P((char *));
-static language *get_language_from_filename __P((char *, bool));
-static void readline __P((linebuffer *, FILE *));
-static long readline_internal __P((linebuffer *, FILE *));
-static bool nocase_tail __P((char *));
-static void get_tag __P((char *, char **));
-
-static void analyse_regex __P((char *));
-static void free_regexps __P((void));
-static void regex_tag_multiline __P((void));
-static void error __P((const char *, const char *));
-static void suggest_asking_for_help __P((void));
-void fatal __P((char *, char *));
-static void pfatal __P((char *));
-static void add_node __P((node *, node **));
-
-static void init __P((void));
-static void process_file_name __P((char *, language *));
-static void process_file __P((FILE *, char *, language *));
-static void find_entries __P((FILE *));
-static void free_tree __P((node *));
-static void free_fdesc __P((fdesc *));
-static void pfnote __P((char *, bool, char *, int, int, long));
-static void make_tag __P((char *, int, bool, char *, int, int, long));
-static void invalidate_nodes __P((fdesc *, node **));
-static void put_entries __P((node *));
-
-static char *concat __P((char *, char *, char *));
-static char *skip_spaces __P((char *));
-static char *skip_non_spaces __P((char *));
-static char *savenstr __P((char *, int));
-static char *savestr __P((char *));
-static char *etags_strchr __P((const char *, int));
-static char *etags_strrchr __P((const char *, int));
-static int etags_strcasecmp __P((const char *, const char *));
-static int etags_strncasecmp __P((const char *, const char *, int));
-static char *etags_getcwd __P((void));
-static char *relative_filename __P((char *, char *));
-static char *absolute_filename __P((char *, char *));
-static char *absolute_dirname __P((char *, char *));
-static bool filename_is_absolute __P((char *f));
-static void canonicalize_filename __P((char *));
-static void linebuffer_init __P((linebuffer *));
-static void linebuffer_setlen __P((linebuffer *, int));
-static PTR xmalloc __P((unsigned int));
-static PTR xrealloc __P((char *, unsigned int));
+static void Ada_funcs (FILE *);
+static void Asm_labels (FILE *);
+static void C_entries (int c_ext, FILE *);
+static void default_C_entries (FILE *);
+static void plain_C_entries (FILE *);
+static void Cjava_entries (FILE *);
+static void Cobol_paragraphs (FILE *);
+static void Cplusplus_entries (FILE *);
+static void Cstar_entries (FILE *);
+static void Erlang_functions (FILE *);
+static void Forth_words (FILE *);
+static void Fortran_functions (FILE *);
+static void HTML_labels (FILE *);
+static void Lisp_functions (FILE *);
+static void Lua_functions (FILE *);
+static void Makefile_targets (FILE *);
+static void Pascal_functions (FILE *);
+static void Perl_functions (FILE *);
+static void PHP_functions (FILE *);
+static void PS_functions (FILE *);
+static void Prolog_functions (FILE *);
+static void Python_functions (FILE *);
+static void Scheme_functions (FILE *);
+static void TeX_commands (FILE *);
+static void Texinfo_nodes (FILE *);
+static void Yacc_entries (FILE *);
+static void just_read_file (FILE *);
+
+static void print_language_names (void);
+static void print_version (void);
+static void print_help (argument *);
+int main (int, char **);
+
+static compressor *get_compressor_from_suffix (char *, char **);
+static language *get_language_from_langname (const char *);
+static language *get_language_from_interpreter (char *);
+static language *get_language_from_filename (char *, bool);
+static void readline (linebuffer *, FILE *);
+static long readline_internal (linebuffer *, FILE *);
+static bool nocase_tail (const char *);
+static void get_tag (char *, char **);
+
+static void analyse_regex (char *);
+static void free_regexps (void);
+static void regex_tag_multiline (void);
+static void error (const char *, const char *);
+static void suggest_asking_for_help (void) NO_RETURN;
+void fatal (const char *, const char *) NO_RETURN;
+static void pfatal (const char *) NO_RETURN;
+static void add_node (node *, node **);
+
+static void init (void);
+static void process_file_name (char *, language *);
+static void process_file (FILE *, char *, language *);
+static void find_entries (FILE *);
+static void free_tree (node *);
+static void free_fdesc (fdesc *);
+static void pfnote (char *, bool, char *, int, int, long);
+static void make_tag (const char *, int, bool, char *, int, int, long);
+static void invalidate_nodes (fdesc *, node **);
+static void put_entries (node *);
+
+static char *concat (const char *, const char *, const char *);
+static char *skip_spaces (char *);
+static char *skip_non_spaces (char *);
+static char *savenstr (const char *, int);
+static char *savestr (const char *);
+static char *etags_strchr (const char *, int);
+static char *etags_strrchr (const char *, int);
+static int etags_strcasecmp (const char *, const char *);
+static int etags_strncasecmp (const char *, const char *, int);
+static char *etags_getcwd (void);
+static char *relative_filename (char *, char *);
+static char *absolute_filename (char *, char *);
+static char *absolute_dirname (char *, char *);
+static bool filename_is_absolute (char *f);
+static void canonicalize_filename (char *);
+static void linebuffer_init (linebuffer *);
+static void linebuffer_setlen (linebuffer *, int);
+static PTR xmalloc (unsigned int);
+static PTR xrealloc (char *, unsigned int);