Index: generic/nsf.c
===================================================================
diff -u -rd7a71fbd7bf10d919db4668670abbc4915f7f31d -r7c55d2affeb04a210fd1a3668cfb2200f4b81aaf
--- generic/nsf.c	(.../nsf.c)	(revision d7a71fbd7bf10d919db4668670abbc4915f7f31d)
+++ generic/nsf.c	(.../nsf.c)	(revision 7c55d2affeb04a210fd1a3668cfb2200f4b81aaf)
@@ -27904,13 +27904,13 @@
   } else if ((obj->typePtr == Nsf_OT_byteArrayType)
              || (obj->typePtr == Nsf_OT_properByteArrayType)) {
     const char *bytes;
-    int         i, length;
+    TCL_SIZE_T  i, length;
 
     bytes = (char *)Tcl_GetByteArrayFromObj(obj, &length);
 
-    fprintf(stderr, "bytearray proper %d length %d string rep %p: ",
+    fprintf(stderr, "bytearray proper %d length %ld string rep %p: ",
             (obj->typePtr == Nsf_OT_properByteArrayType),
-            length, (void*)obj->bytes);
+            (long)length, (void*)obj->bytes);
     for (i = 0; i < length; i++) {
       fprintf(stderr, "%.2x", (unsigned)(*(bytes+i)) & 0xff);
     }
Index: generic/nsfProfile.c
===================================================================
diff -u -r745c46b4619253f283fe4285d1f4a83375e3d9d7 -r7c55d2affeb04a210fd1a3668cfb2200f4b81aaf
--- generic/nsfProfile.c	(.../nsfProfile.c)	(revision 745c46b4619253f283fe4285d1f4a83375e3d9d7)
+++ generic/nsfProfile.c	(.../nsfProfile.c)	(revision 7c55d2affeb04a210fd1a3668cfb2200f4b81aaf)
@@ -400,8 +400,9 @@
 
 static int
 GetPair(Tcl_Interp *interp, Tcl_Obj *objPtr, int verbose, Tcl_Obj **nameObjPtr, int *nrArgsPtr) {
-  int result = TCL_OK, oc;
-  Tcl_Obj **ov;
+  int        result = TCL_OK;
+  TCL_SIZE_T oc;
+  Tcl_Obj  **ov;
 
   if (Tcl_ListObjGetElements(interp, objPtr, &oc, &ov) != TCL_OK) {
     if (verbose) {
@@ -451,7 +452,8 @@
 NsfProfileTrace(Tcl_Interp *interp, int withEnable, int withVerbose, int withDontsave, Tcl_Obj *builtinObjs) {
   NsfRuntimeState *rst;
   NsfProfile      *profilePtr;
-  int              oldProfileState, oc;
+  int              oldProfileState;
+  TCL_SIZE_T       oc;
   Tcl_Obj        **ov;
 
   nonnull_assert(interp != NULL);