Simplify terminate + bye + fix build.

common/forth_namespace_tests.fs

@@ -93,6 +93,7 @@ e: check-boot
   out: space 
   out: emit 
   out: bye 
+  out: terminate 
   out: key? 
   out: key 
   out: type 
@@ -669,7 +670,6 @@ e: check-esp32-builtins
   out: analogRead 
   out: pulseIn 
   out: MS-TICKS 
-  out: TERMINATE 
   check-files-reverse
   check-files-dir-reverse
   out: dacWrite 

common/io.fs

@@ -16,7 +16,8 @@
 defer type
 defer key
 defer key?
-defer bye
+defer terminate
+: bye   0 terminate ;
 : emit ( n -- ) >r rp@ 1 type rdrop ;
 : space bl emit ;   : cr 13 emit nl emit ;
 

common/testing.fs

@@ -14,17 +14,6 @@
 
 also ansi also internals
 
-DEFINED? windows [IF]
-  also windows
-  : sysexit ( n -- ) ExitProcess ;
-[ELSE]
-  DEFINED? posix [IF]
-    also posix
-  [ELSE]
-    : sysexit ( n -- ) terminate ;
-  [THEN]
-[THEN]
-
 ( Support for eval tests )
 40000 constant expect-limit
 create expect-buffer expect-limit allot
@@ -117,5 +106,5 @@ variable tests-found   variable tests-run    variable tests-passed
 : run-tests
    reset-test-counters ['] count-test for-tests
    ['] run-test for-tests show-test-results
-   tests-passed @ tests-found @ <> sysexit ;
+   tests-passed @ tests-found @ <> terminate ;
 only forth