New cptr functions cptr-cast and int-cptr.

* eval.c (eval_init): Register new intrinsics cptr-cast and
int-cptr.

* lib.c (cptr_cast, int_cptr): New functions.

* lib.h (cptr_cast, int_cptr): Declared.

* txr.1: Documented.

1 files changed, 2 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index 46c9bb72..3bdb29f5 100644
--- a/eval.c
+++ b/eval.c
@@ -6161,6 +6161,8 @@ void eval_init(void)
   reg_fun(intern(lit("cptr-obj"), user_package), func_n2o(cptr_obj, 1));
   reg_fun(intern(lit("cptr-zap"), user_package), func_n1(cptr_zap));
   reg_fun(intern(lit("cptr-free"), user_package), func_n1(cptr_free));
+  reg_fun(intern(lit("cptr-cast"), user_package), func_n2(cptr_cast));
+  reg_fun(intern(lit("int-cptr"), user_package), func_n1(int_cptr));
   reg_fun(intern(lit("cptrp"), user_package), func_n1(cptrp));
   reg_fun(intern(lit("cptr-type"), user_package), func_n1(cptr_type));
   reg_varl(intern(lit("cptr-null"), user_package), cptr(0));