X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/90edb255effd0d29d94e662ca5bf3e9eda7ed122..010cd7a621c0bc807c083a462183d7554063559e:/h/mh.h?ds=sidebyside

diff --git a/h/mh.h b/h/mh.h
index 55825da0..c0510be1 100644
--- a/h/mh.h
+++ b/h/mh.h
@@ -1,5 +1,4 @@
-/*
- * mh.h -- main header file for all of nmh
+/* mh.h -- main header file for all of nmh
  */
 
 #include <h/nmh.h>
@@ -43,6 +42,9 @@ 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 +320,6 @@ 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) \
@@ -498,4 +497,3 @@ extern char *whomproc;
 extern void (*done) (int) NORETURN;
 
 #include <h/prototypes.h>
-