ffi: val type.

* ffi.c (val_s): New symbol variable.
(ffi_val_put, ffi_val_get): New functions.
(ffi_init_types): Register val type.
(ffi_init): Initialize val_s.

* ffi.h (val_s): Declared.

* txr.1: Documented.

1 files changed, 2 insertions, 0 deletions

diff --git a/ffi.h b/ffi.h
index 3f415082..c6a7102a 100644
--- a/ffi.h
+++ b/ffi.h
@@ -37,6 +37,8 @@ extern val long_s, ulong_s;
 extern val void_s;
 extern val double_s;
 
+extern val val_s;
+
 extern val array_s, zarray_s, carray_s;
 
 extern val struct_s;