--- arch/x86-freebsd/coro.c	Fri Jun 23 00:15:18 2000
+++ arch/x86-freebsd/coro.c	Fri Jun 23 00:16:38 2000
@@ -53,6 +53,8 @@
 co_create(void *func, void *stack, int size)
 {
     struct coroutine *co;
+    intptr_t _co;
+    void **sp;
     int to_free = 0;
 
     if (size < 128)
@@ -63,14 +65,15 @@
 	size += 4096-1;
 	size &= ~(4096-1);
 	stack = mmap(0, size, PROT_READ|PROT_WRITE,
-			      MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+			      MAP_PRIVATE|MAP_ANON, -1, 0);
 	if (stack == (void*)-1)
 	    return 0;
 
 	to_free = size;
     }
     co = stack + size;
-    (unsigned long)co &= ~3;
+    _co = (intptr_t)co & ~3;
+    co = (struct coroutine *)_co;
     co -= 1;
 
     co->sp = co;
@@ -80,11 +83,13 @@
     co->func = func;
     co->to_free = to_free;
 
-    *--(void **)co->sp = wrap;		// return addr (here: start addr)
-    *--(void **)co->sp = 0;		// ebp
-    *--(void **)co->sp = 0;		// ebx
-    *--(void **)co->sp = 0;		// esi
-    *--(void **)co->sp = 0;		// edi
+    sp = (void **)co->sp;
+
+    *--sp = wrap;		// return addr (here: start addr)
+    *--sp = 0;			// ebp
+    *--sp = 0;			// ebx
+    *--sp = 0;			// esi
+    *--sp = 0;			// edi
     return co;
 }