New functions, subtypep and typep.

* eval.c (eval_init): Register subtypep and typep.

* eval.h (list_s): Existing variable declared.

* lib.c (atom_s, integer_s, number_s, sequence_s, string_s):
new symbol variables.
(subtypep, typep): New functions.
(obj_init): Initialize new symbol variables.

* lib.c (atom_s, integer_s, number_s, sequence_s, string_s):
Declared.

* txr.1: Documented type hierarchy and the new functions.

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.h b/eval.h
index 61bfb5db..8df0eac0 100644
--- a/eval.h
+++ b/eval.h
@@ -24,7 +24,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-extern val dwim_s, lambda_s, vector_lit_s, vector_list_s;
+extern val dwim_s, lambda_s, vector_lit_s, vector_list_s, list_s;
 extern val hash_lit_s, hash_construct_s, struct_lit_s, qref_s;
 extern val eval_error_s;
 extern val last_form_evaled, last_form_expanded;