ANSIify function definitions to avoid a warning.

usr.bin/ctags/C.c

@@ -56,7 +56,7 @@ static int	str_entry(int);
  *	read .c and .h files and call appropriate routines
  */
 void
-c_entries()
+c_entries(void)
 {
 	int	c;			/* current character */
 	int	level;			/* brace level */
@@ -259,7 +259,7 @@ c_entries()
  *	handle a function reference
  */
 static int
-func_entry()
+func_entry(void)
 {
 	int	c;			/* current character */
 	int	level = 0;		/* for matching '()' */
@@ -323,7 +323,7 @@ func_entry()
  *	handle a line starting with a '#'
  */
 static void
-hash_entry()
+hash_entry(void)
 {
 	int	c;			/* character read */
 	int	curline;		/* line started on */
@@ -389,8 +389,7 @@ skip:	if (c == '\n') {		/* get rid of rest of define */
  *	handle a struct, union or enum entry
  */
 static int
-str_entry(c)
-	int	c;			/* current character */
+str_entry(int c) /* c is current character */
 {
 	int	curline;		/* line started on */
 	char	*sp;			/* buffer pointer */
@@ -439,8 +438,7 @@ str_entry(c)
  *	skip over comment
  */
 void
-skip_comment(t)
-	int	t;			/* comment character */
+skip_comment(int t) /* t is comment character */
 {
 	int	c;			/* character read */
 	int	star;			/* '*' flag */
@@ -471,8 +469,7 @@ skip_comment(t)
  *	skip to the end of a string or character constant.
  */
 void
-skip_string(key)
-	int	key;
+skip_string(int key)
 {
 	int	c,
 		skip;
@@ -497,8 +494,7 @@ skip_string(key)
  *	skip to next char "key"
  */
 int
-skip_key(key)
-	int	key;
+skip_key(int key)
 {
 	int	c,
 		skip,

usr.bin/ctags/ctags.c

@@ -86,9 +86,7 @@ void	find_entries(char *);
 static void usage(void);
 
 int
-main(argc, argv)
-	int	argc;
-	char	**argv;
+main(int argc, char **argv)
 {
 	static const char	*outfile = "tags";	/* output file */
 	int	aflag;				/* -a: append to tags */
@@ -197,7 +195,7 @@ main(argc, argv)
 }
 
 static void
-usage()
+usage(void)
 {
 	(void)fprintf(stderr, "usage: ctags [-BFTaduwvx] [-f tagsfile] file ...\n");
 	exit(1);
@@ -214,7 +212,7 @@ usage()
  *	the string CWHITE, else NO.
  */
 void
-init()
+init(void)
 {
 	int		i;
 	const unsigned char	*sp;
@@ -246,8 +244,7 @@ init()
  *	which searches the file.
  */
 void
-find_entries(file)
-	char	*file;
+find_entries(char *file)
 {
 	char	*cp;
 

usr.bin/ctags/fortran.c

@@ -140,8 +140,7 @@ PF_funcs()
  *	do case-independent strcmp
  */
 int
-cicmp(cp)
-	const char	*cp;
+cicmp(const char *cp)
 {
 	int	len;
 	char	*bp;
@@ -157,7 +156,7 @@ cicmp(cp)
 }
 
 static void
-takeprec()
+takeprec(void)
 {
 	for (; isspace(*lbp); ++lbp)
 		continue;

usr.bin/ctags/lisp.c

@@ -52,7 +52,7 @@ __FBSDID("$FreeBSD$");
  * just look for (def or (DEF
  */
 void
-l_entries()
+l_entries(void)
 {
 	int	special;
 	char	*cp;

usr.bin/ctags/print.c

@@ -52,7 +52,7 @@ __FBSDID("$FreeBSD$");
  *	prepare it for printing.
  */
 void
-getline()
+getline(void)
 {
 	long	saveftell;
 	int	c;
@@ -98,8 +98,7 @@ getline()
  *	write out the tags
  */
 void
-put_entries(node)
-	NODE	*node;
+put_entries(NODE *node)
 {
 
 	if (node->left)

usr.bin/ctags/tree.c

@@ -56,9 +56,7 @@ static void	free_tree(NODE *);
  *	enter a new node in the tree
  */
 void
-pfnote(name, ln)
-	const char	*name;
-	int	ln;
+pfnote(const char *name, int ln)
 {
 	NODE	*np;
 	char	*fp;
@@ -98,9 +96,7 @@ pfnote(name, ln)
 }
 
 static void
-add_node(node, cur_node)
-	NODE	*node,
-		*cur_node;
+add_node(NODE *node, NODE *cur_node)
 {
 	int	dif;
 
@@ -128,8 +124,7 @@ add_node(node, cur_node)
 }
 
 static void
-free_tree(node)
-	NODE	*node;
+free_tree(NODE *node)
 {
 	while (node) {
 		if (node->right)

usr.bin/ctags/yacc.c

@@ -51,7 +51,7 @@ __FBSDID("$FreeBSD$");
  *	find the yacc tags and put them in.
  */
 void
-y_entries()
+y_entries(void)
 {
 	int	c;
 	char	*sp;
@@ -123,7 +123,7 @@ y_entries()
  *	throw away lines up to the next "\n%%\n"
  */
 void
-toss_yysec()
+toss_yysec(void)
 {
 	int	c;			/* read character */
 	int	state;

usr.bin/dirname/dirname.c

@@ -52,9 +52,7 @@ __FBSDID("$FreeBSD$");
 void usage(void);
 
 int
-main(argc, argv)
-	int argc;
-	char **argv;
+main(int argc, char **argv)
 {
 	char *p;
 	int ch;
@@ -78,7 +76,7 @@ main(argc, argv)
 }
 
 void
-usage()
+usage(void)
 {
 
 	(void)fprintf(stderr, "usage: dirname path\n");

usr.bin/du/du.c

@@ -104,9 +104,7 @@ void		ignoreclean(void);
 int		ignorep(FTSENT *);
 
 int
-main(argc, argv)
-	int argc;
-	char *argv[];
+main(int argc, char *argv[])
 {
 	FTS		*fts;
 	FTSENT		*p;
@@ -317,8 +315,7 @@ typedef struct _ID {
 
 
 int
-linkchk(p)
-	FTSENT *p;
+linkchk(FTSENT *p)
 {
 	static ID *files;
 	static int maxfiles, nfiles;
@@ -349,8 +346,7 @@ linkchk(p)
  *
  */
 unit_t
-unit_adjust(val)
-	double *val;
+unit_adjust(double *val)
 {
 	double abval;
 	unit_t unit;
@@ -371,8 +367,7 @@ unit_adjust(val)
 }
 
 void
-prthumanval(bytes)
-	double bytes;
+prthumanval(double bytes)
 {
 	unit_t unit;
 
@@ -388,7 +383,7 @@ prthumanval(bytes)
 }
 
 static void
-usage()
+usage(void)
 {
 	(void)fprintf(stderr,
 		"usage: du [-H | -L | -P] [-a | -s | -d depth] [-c] [-h | -k] [-x] [-I mask] [file ...]\n");
@@ -396,8 +391,7 @@ usage()
 }
 
 void
-ignoreadd(mask)
-	const char *mask;
+ignoreadd(const char *mask)
 {
 	struct ignentry *ign;
 
@@ -411,7 +405,7 @@ ignoreadd(mask)
 }
 
 void
-ignoreclean()
+ignoreclean(void)
 {
 	struct ignentry *ign;
 	
@@ -424,8 +418,7 @@ ignoreclean()
 }
 
 int
-ignorep(ent)
-	FTSENT *ent;
+ignorep(FTSENT *ent)
 {
 	struct ignentry *ign;