X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/90edb255effd0d29d94e662ca5bf3e9eda7ed122..ac00e2883562da9b440b09f243e4c11559c08244:/h/mh.h

diff --git a/h/mh.h b/h/mh.h
index 55825da0..24548179 100644
--- a/h/mh.h
+++ b/h/mh.h
@@ -43,6 +43,9 @@ typedef unsigned char  boolean;  /* not int so we can pack in a structure */
 #define NMH_UNUSED(i) i
 #endif
 
+/* DIM gives the number of elements in the one-dimensional array a. */
+#define DIM(a) (sizeof (a) / sizeof (*(a)))
+
 /* LEN gives the strlen() of string constant s, excluding the
  * terminating NUL. */
 #define LEN(s) (sizeof (s) - 1)
@@ -318,9 +321,6 @@ struct msgs {
 #define set_unseen(mp,msgnum) \
         bvector_set (msgstat(mp, msgnum), SELECT_UNSEEN)
 
-/* for msh only */
-#define set_deleted(mp,msgnum)     bvector_set (msgstat(mp, msgnum), DELETED)
-
 #define in_sequence(mp,seqnum,msgnum) \
         bvector_at (msgstat(mp, msgnum), FFATTRSLOT + seqnum)
 #define clear_sequence(mp,seqnum,msgnum) \