X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fnpar.h;h=3907bb26716993de67e369d6aaf837b6d3dc3aaa;hb=3e2cb3dda617f6d2a97e5df635d592a691d3c9b0;hp=1cb0ef7b9b0d30efb1837a0ed8ac2a39813c199f;hpb=d7d263511bd18042408c40d5536c20c59988ee15;p=pspp

diff --git a/src/language/stats/npar.h b/src/language/stats/npar.h
index 1cb0ef7b9b..3907bb2671 100644
--- a/src/language/stats/npar.h
+++ b/src/language/stats/npar.h
@@ -19,10 +19,11 @@
 #if !npar_h
 #define npar_h 1
 
-typedef struct variable *var_ptr;
+typedef const struct variable *var_ptr;
 typedef var_ptr variable_pair[2];
 
 struct hsh_table;
+struct const_hsh_table;
 struct casefilter ;
 
 struct npar_test
@@ -34,13 +35,13 @@ struct npar_test
 		   );
 
   void (*insert_variables) (const struct npar_test *, 
-			    struct hsh_table *);
+			    struct const_hsh_table *);
 };
 
 struct one_sample_test
 {
   struct npar_test parent;
-  struct variable **vars;
+  const struct variable **vars;
   size_t n_vars;
 };