use full prototypes

src/cmd/postscript/common/bbox.c

@@ -67,7 +67,7 @@ cover(x, y)
 }   /* End of cover */
 
 /*****************************************************************************/
-void	resetbbox();
+void	resetbbox(int);
 
 void
 writebbox(fp, keyword, slop)

src/cmd/postscript/common/misc.c

@@ -24,7 +24,6 @@ void error(int kind, char *mesg, unsigned int a1, unsigned int a2, unsigned int
 int cat(char *file);
 
 /*****************************************************************************/
-extern	int	str_convert();
 
 void
 out_list(str)

src/cmd/postscript/download/download.c

@@ -88,16 +88,16 @@ int	atend = FALSE;			/* TRUE only if a comment says so */
 FILE	*fp_in;				/* next input file */
 FILE	*fp_temp = NULL;		/* for copying stdin */
 
-void init_signals();
-void options();
-void readmap();
-void readresident();
-void arguments();
-void done();
-void download();
+void init_signals(void);
+void options(void);
+void readmap(void);
+void readresident(void);
+void arguments(void);
+void done(void);
+void download(void);
 int lookup(char *font);
 void copyfonts(char *list);
-void copyinput();
+void copyinput(void);
 extern int cat(char *file);
 extern void error(int errtype, char *fmt, ...);