Index: unix/dltest/pkgb.c
==================================================================
--- unix/dltest/pkgb.c
+++ unix/dltest/pkgb.c
@@ -98,11 +98,11 @@
 
 static int
 Pkgb_DemoObjCmd(
     ClientData dummy,		/* Not used. */
     Tcl_Interp *interp,		/* Current interpreter. */
-    int objc,			/* Number of arguments. */
+    size_t objc,		/* Number of arguments. */
     Tcl_Obj *const objv[])	/* Argument objects. */
 {
     Tcl_Obj *first;
 
     if (Tcl_ListObjIndex(NULL, Tcl_GetEncodingSearchPath(), 0, &first)

Index: unix/tclUnixTest.c
==================================================================
--- unix/tclUnixTest.c
+++ unix/tclUnixTest.c
@@ -604,11 +604,11 @@
     ClientData clientData,	/* Not used. */
     Tcl_Interp *interp,		/* Current interpreter. */
     size_t objc,		/* Number of arguments. */
     Tcl_Obj *const *objv)	/* Argument strings. */
 {
-    int numDirs;
+    size_t numDirs;
     Tcl_Obj *first, *searchPath;
 
     if (objc != 1) {
 	Tcl_WrongNumArgs(interp, 1, objv, NULL);
 	return TCL_ERROR;