Index: ssetroot.c
--- ssetroot.c.orig
+++ ssetroot.c
@@ -4,6 +4,8 @@
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "X11/bitmaps/gray"
 #include "X11/bitmaps/root_weave"
 
@@ -37,6 +39,12 @@ int save_colors = 0;
 int unsave_past = 0;
 Pixmap save_pixmap = (Pixmap)None;
 
+void FixupState(void);
+void SetBackgroundToBitmap(Pixmap bitmap,
+			   unsigned int width, unsigned int height);
+Cursor CreateCursorFromFiles(char *cursor_file, char *mask_file);
+
+void
 usage()
 {
     fprintf(stderr, "usage: %s [options]\n", program_name);
@@ -61,6 +69,7 @@ Pixmap MakeModulaBitmap(), ReadBitmapFile();
 XColor NameToXColor();
 unsigned long NameToPixel();
 
+int
 main(argc, argv) 
     int argc;
     char **argv;
@@ -239,7 +248,7 @@ main(argc, argv) 
     /* Handle set name */
     if (name)
 	XStoreName(dpy, root, name);
-#endif NOT_ALLOWED
+#endif /* NOT_ALLOWED */
   
     /* Handle restore defaults */
     if (restore_defaults) {
@@ -272,7 +281,8 @@ main(argc, argv) 
 
 
 /* Free past incarnation if needed, and retain state if needed. */
-FixupState()
+void
+FixupState(void)
 {
     Atom prop, type;
     int format;
@@ -307,6 +317,7 @@ FixupState()
  * SetBackgroundToBitmap: Set the root window background to a caller supplied 
  *                        bitmap.
  */
+void
 SetBackgroundToBitmap(bitmap, width, height)
     Pixmap bitmap;
     unsigned int width, height;
@@ -344,6 +355,7 @@ SetBackgroundToBitmap(bitmap, width, height)
  */
 #define BITMAP_HOT_DEFAULT 8
 
+Cursor
 CreateCursorFromFiles(cursor_file, mask_file)
     char *cursor_file, *mask_file;
 {