Various cleanup.
diff --git a/include/draw.h b/include/draw.h
index 0f9ba63..a9ae96a 100644
--- a/include/draw.h
+++ b/include/draw.h
@@ -509,11 +509,22 @@
extern int _compblocksize(Rectangle, int);
/* XXX backwards helps; should go */
-extern int log2[];
extern u32int drawld2chan[];
extern void drawsetdebug(int);
/*
+ * Snarf buffer
+ */
+enum
+{
+ SnarfSize = 64*1024,
+};
+char *getsnarf(void);
+void putsnarf(char*);
+
+void drawtopwindow(void);
+
+/*
* Port magic.
*/
int _drawmsgread(Display*, void*, int);
diff --git a/include/lib9.h b/include/lib9.h
index 42f6f44..534efb3 100644
--- a/include/lib9.h
+++ b/include/lib9.h
@@ -176,7 +176,8 @@
/* one of a kind */
extern void sysfatal(char*, ...);
-extern int nrand(int);
+extern int nrand(int);
+extern long lrand(void);
extern void setmalloctag(void*, ulong);
extern void setrealloctag(void*, ulong);
extern void *mallocz(ulong, int);
diff --git a/include/memdraw.h b/include/memdraw.h
index 08784ce..2d4f54f 100644
--- a/include/memdraw.h
+++ b/include/memdraw.h
@@ -46,6 +46,7 @@
Memlayer *layer; /* nil if not a layer*/
u32int flags;
void *X;
+ int screenref; /* reference count if this is a screen */
int shift[NChan];
int mask[NChan];
