X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=src%2Fdata%2Fvalue.h;h=4554a36617eb589153dc7244f19b3edf74c0bbd7;hb=51010fcf5cc308367c1fe3fafa785a3d2216b03d;hp=cb66cb0836c7b00eeb7e992199650c192b15f780;hpb=a9acce47d67e0ab35ce1690e4f1b1ac0121c2d78;p=pspp-builds.git

diff --git a/src/data/value.h b/src/data/value.h
index cb66cb08..4554a366 100644
--- a/src/data/value.h
+++ b/src/data/value.h
@@ -19,6 +19,7 @@
 
 #include <libpspp/misc.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include "minmax.h"
 
 /* "Short" strings, which are generally those no more than 8
@@ -39,7 +40,11 @@ union value *value_dup (const union value *, int width);
 union value *value_create (int width);
 
 int compare_values (const union value *, const union value *, int width);
-unsigned hash_value (const union value  *, int width);
+unsigned hash_value (const union value *, int width);
+
+int compare_ptr_values (const union value **, const union value **, int width);
+unsigned hash_ptr_value (const union value **, int width);
+
 
 static inline size_t value_cnt_from_width (int width);
 void value_copy (union value *, const union value *, int width);