--- /n/sources/plan9/sys/include/venti.h	Sat Jan 10 10:00:05 2015
+++ /sys/include/venti.h	Sun Jun 28 00:00:00 2026
@@ -207,9 +207,9 @@ int vtscorefmt(Fmt*);
  * error-checking malloc et al.
  */
 void	vtfree(void *);
-void*	vtmalloc(int);
-void*	vtmallocz(int);
-void*	vtrealloc(void *p, int);
+void*	vtmalloc(uintptr);
+void*	vtmallocz(uintptr);
+void*	vtrealloc(void *p, uintptr);
 void*	vtbrk(int n);
 char*	vtstrdup(char *);
 
--- /n/sources/plan9/sys/src/libventi/mem.c	Sat Jan 10 10:00:05 2015
+++ /sys/src/libventi/mem.c	Sun Jun 28 00:00:00 2026
@@ -11,13 +11,12 @@ enum {
 void
 vtfree(void *p)
 {
-	if(p == 0)
-		return;
-	free(p);
+	if(p)
+		free(p);
 }
 
 void *
-vtmalloc(int size)
+vtmalloc(uintptr size)
 {
 	void *p;
 
@@ -29,16 +28,17 @@ vtmalloc(int size)
 }
 
 void *
-vtmallocz(int size)
+vtmallocz(uintptr size)
 {
 	void *p = vtmalloc(size);
+
 	memset(p, 0, size);
 	setmalloctag(p, getcallerpc(&size));
 	return p;
 }
 
 void *
-vtrealloc(void *p, int size)
+vtrealloc(void *p, uintptr size)
 {
 	if(p == nil)
 		return vtmalloc(size);
--- /n/sources/plan9/sys/man/2/venti-mem	Sat Jan 10 10:00:05 2015
+++ /sys/man/2/venti-mem	Sun Jun 28 00:00:00 2026
@@ -19,13 +19,13 @@ vtfree \- error-checking memory allocators
 void*	vtbrk(int size)
 .PP
 .B
-void*	vtmalloc(int size)
+void*	vtmalloc(uintptr size)
 .PP
 .B
-void*	vtmallocz(int size)
+void*	vtmallocz(uintptr size)
 .PP
 .B
-void*	vtrealloc(void *ptr, int size)
+void*	vtrealloc(void *ptr, uintptr size)
 .PP
 .B 
 char*	vtstrdup(char *s)