New keepq, keepql and keepqual functions.

* eval.c (eval_init): Register keepq, keepql and keepqual
intrinsic functions.

* lib.c (keepq, keepql, keepqual): New functions.

* lib.h (keepq, keepql, keepqual): Declared.

1 files changed, 3 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index 3f4f606b..a1809aca 100644
--- a/eval.c
+++ b/eval.c
@@ -5025,6 +5025,9 @@ void eval_init(void)
   reg_fun(intern(lit("remql"), user_package), func_n2(remql));
   reg_fun(intern(lit("remqual"), user_package), func_n2(remqual));
   reg_fun(intern(lit("remove-if"), user_package), func_n3o(remove_if, 2));
+  reg_fun(intern(lit("keepq"), user_package), func_n3o(keepq, 2));
+  reg_fun(intern(lit("keepql"), user_package), func_n3o(keepql, 2));
+  reg_fun(intern(lit("keepqual"), user_package), func_n3o(keepqual, 2));
   reg_fun(intern(lit("keep-if"), user_package), func_n3o(keep_if, 2));
   reg_fun(intern(lit("remq*"), user_package), func_n2(remq_lazy));
   reg_fun(intern(lit("remql*"), user_package), func_n2(remql_lazy));