--- /n/sources/plan9/sys/src/9/port/lib.h	Sat Jan 10 10:00:05 2015
+++ /sys/src/9/port/lib.h	Sun Jun 28 00:00:00 2026
@@ -9,7 +9,7 @@
  * mem routines
  */
 extern	void*	memccpy(void*, void*, int, ulong);
-extern	void*	memset(void*, int, ulong);
+extern	void*	memset(void*, int, uintptr);
 extern	int	memcmp(void*, void*, ulong);
 extern	void*	memmove(void*, void*, ulong);
 extern	void*	memchr(void*, int, ulong);
--- /n/sources/plan9/sys/src/9/port/portfns.h	Sat Jan 10 10:00:05 2015
+++ /sys/src/9/port/portfns.h	Sun Jun 28 00:00:00 2026
@@ -123,8 +123,8 @@
 int		freebroken(void);
 void		freepte(Segment*, Pte*);
 void		getcolor(ulong, ulong*, ulong*, ulong*);
-ulong		getmalloctag(void*);
-ulong		getrealloctag(void*);
+uintptr		getmalloctag(void*);
+uintptr		getrealloctag(void*);
 void		gotolabel(Label*);
 char*		getconfenv(void);
 int		haswaitq(void*);
@@ -176,9 +176,9 @@
 Page*		lookpage(Image*, ulong);
 #define		MS2NS(n) (((vlong)(n))*1000000LL)
 void		machinit(void);
-void*		mallocz(ulong, int);
-void*		malloc(ulong);
-void*		mallocalign(ulong, ulong, long, ulong);
+void*		mallocz(uintptr, int);
+void*		malloc(uintptr);
+void*		mallocalign(uintptr, uintptr, vlong, uintptr);
 void		mallocsummary(void);
 Block*		mem2bl(uchar*, int);
 Block*		mem2block(void *, ulong, int);
@@ -193,7 +193,7 @@
 void		mouseresize(void);
 void		mountfree(Mount*);
 ulong		ms2tk(ulong);
-ulong		msize(void*);
+uintptr		msize(void*);
 ulong		ms2tk(ulong);
 uvlong		ms2fastticks(ulong);
 void		mul64fract(uvlong*, uvlong, uvlong);
@@ -301,7 +301,7 @@
 int		readnum(ulong, char*, ulong, ulong, int);
 int		readstr(ulong, char*, ulong, char*);
 void		ready(Proc*);
-void*		realloc(void *v, ulong size);
+void*		realloc(void *v, uintptr size);
 void		rebootcmd(int, char**);
 void		reboot(void*, void*, ulong);
 void		relocateseg(Segment*, ulong);
@@ -326,13 +326,13 @@
 int		setcolor(ulong, ulong, ulong, ulong);
 void		setkernur(Ureg*, Proc*);
 int		setlabel(Label*);
-void		setmalloctag(void*, ulong);
-void		setrealloctag(void*, ulong);
+void		setmalloctag(void*, uintptr);
+void		setrealloctag(void*, uintptr);
 void		setregisters(Ureg*, char*, char*, int);
 void		setswapchan(Chan*);
 char*		skipslash(char*);
 void		sleep(Rendez*, int(*)(void*), void*);
-void*		smalloc(ulong);
+void*		smalloc(uintptr);
 int		splhi(void);
 int		spllo(void);
 void		splx(int);
--- /n/sources/plan9/sys/src/9/port/alloc.c	Sat Jan 10 10:00:05 2015
+++ /sys/src/9/port/alloc.c	Sun Jun 28 00:00:00 2026
@@ -166,7 +166,7 @@
 
 
 void*
-smalloc(ulong size)
+smalloc(uintptr size)
 {
 	void *v;
 
@@ -187,7 +187,7 @@
 }
 
 void*
-malloc(ulong size)
+malloc(uintptr size)
 {
 	void *v;
 
@@ -204,7 +204,7 @@
 }
 
 void*
-mallocz(ulong size, int clr)
+mallocz(uintptr size, int clr)
 {
 	void *v;
 
@@ -220,7 +220,7 @@
 }
 
 void*
-mallocalign(ulong size, ulong align, long offset, ulong span)
+mallocalign(uintptr size, uintptr align, vlong offset, uintptr span)
 {
 	void *v;
 
@@ -243,7 +243,7 @@
 }
 
 void*
-realloc(void *v, ulong size)
+realloc(void *v, uintptr size)
 {
 	void *nv;
 
@@ -261,7 +261,7 @@
 	return nv;
 }
 
-ulong
+uintptr
 msize(void *v)
 {
 	return poolmsize(mainmem, (ulong*)v-Npadlong)-Npadlong*sizeof(ulong);
@@ -277,7 +277,7 @@
 }
 
 void
-setmalloctag(void *v, ulong pc)
+setmalloctag(void *v, uintptr pc)
 {
 	ulong *u;
 	USED(v, pc);
@@ -288,7 +288,7 @@
 }
 
 void
-setrealloctag(void *v, ulong pc)
+setrealloctag(void *v, uintptr pc)
 {
 	ulong *u;
 	USED(v, pc);
@@ -298,7 +298,7 @@
 	u[-Npadlong+ReallocOffset] = pc;
 }
 
-ulong
+uintptr
 getmalloctag(void *v)
 {
 	USED(v);
@@ -307,7 +307,7 @@
 	return ((ulong*)v)[-Npadlong+MallocOffset];
 }
 
-ulong
+uintptr
 getrealloctag(void *v)
 {
 	USED(v);