X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/28c3595a77a8c942bee1057085776dad0b3d53f4..d1506bc0824ad871cd0e694ad834188fe2fc6269:/h/utils.h

diff --git a/h/utils.h b/h/utils.h
index 92c940de..00249be4 100644
--- a/h/utils.h
+++ b/h/utils.h
@@ -5,6 +5,7 @@
 
 void *mh_xmalloc(size_t);
 void *mh_xrealloc(void *, size_t);
+void *mh_xcalloc(size_t, size_t);
 char *pwd(void);
 char *add(const char *, char *);
 char *addlist(char *, const char *);
@@ -56,3 +57,11 @@ char *nmh_strcasestr (const char *, const char *);
  * Returns 1 if the string contains an 8-bit character, 0 if it does not.
  */
 int contains8bit(const char *start, const char *end);
+
+/*
+ * Compares prior version of nmh with current version.  Returns 1
+ * if they compare the be the same, 0 if not.
+ *
+ * older        - 0 for difference comparison, 1 for only if older
+ */
+int nmh_version_changed (int older);