diff --git a/include/common/standard.h b/include/common/standard.h
index 6fb1c94..0bea022 100644
--- a/include/common/standard.h
+++ b/include/common/standard.h
@@ -1423,7 +1423,8 @@
 int dump_binary(struct buffer *out, const char *buf, int bsize);
 int dump_text_line(struct buffer *out, const char *buf, int bsize, int len,
                    int *line, int ptr);
-void dump_hex(struct buffer *out, const char *pfx, const void *buf, int len);
+void dump_hex(struct buffer *out, const char *pfx, const void *buf, int len, int unsafe);
+int may_access(const void *ptr);
 
 /* same as realloc() except that ptr is also freed upon failure */
 static inline void *my_realloc2(void *ptr, size_t size)