$NetBSD: patch-ar,v 1.1 2008/09/10 13:32:48 taca Exp $

--- contrib/xwintoppm/xwintoppm.c.orig	1998-08-26 14:30:16.000000000 +0900
+++ contrib/xwintoppm/xwintoppm.c
@@ -136,8 +136,10 @@ Bool silent = False;
 Bool use_installed = False;
 long add_pixel_value = 0;
 
-extern int (*_XErrorFunction)();
-extern int _XDefaultError();
+void Error(char *);
+void Window_Dump(Window, FILE *);
+int Image_Size(XImage *);
+int Get_XColors(XWindowAttributes *, XColor **);
 
 static long parse_long (s)
     char *s;
@@ -155,11 +157,12 @@ static long parse_long (s)
     return (thesign * retval);
 }
 
+int
 main(argc, argv)
     int argc;
     char **argv;
 {
-    register i;
+    register int i;
     Window target_win;
     FILE *out_file = stdout;
     Bool frame_only = False;
@@ -280,7 +283,7 @@ XColor **colors ;
  * Window_Dump: dump a window to a file which must already be open for
  *              writting.
  */
-
+void
 Window_Dump(window, out)
      Window window;
      FILE *out;
@@ -609,6 +612,7 @@ Window_Dump(window, out)
 /*
  * Report the syntax for calling xwd.
  */
+void
 usage()
 {
     fprintf (stderr,
@@ -622,7 +626,7 @@ usage()
 /*
  * Error - Fatal xwd error.
  */
-
+void
 Error(string)
 	char *string;	/* Error description string. */
 {
@@ -716,6 +720,7 @@ int Get_XColors(win_info, colors)
     return ncolors ;
 }
 
+void
 _swapshort (bp, n)
     register char *bp;
     register unsigned n;
@@ -731,6 +736,7 @@ _swapshort (bp, n)
     }
 }
 
+void
 _swaplong (bp, n)
     register char *bp;
     register unsigned n;