+ return (SCM_NFALSEP (scm_equal_p (x, y)));
+}
+
+/* equivalent to (string=? ...), but returns 0 or 1 rather than Scheme
+ booleans */
+int
+gh_string_equal_p(SCM s1, SCM s2)
+{
+ return (SCM_NFALSEP (scm_string_equal_p(s1, s2)));
+}
+
+/* equivalent to (null? ...), but returns 0 or 1 rather than Scheme
+ booleans */
+int
+gh_null_p(SCM l)
+{
+ return (SCM_NFALSEP(scm_null_p(l)));