X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/b43e55a89e0fd66e1bf968fed25feacfbd045514..f1b704d05c9a2209edf851392220438e62470314:/h/prototypes.h

diff --git a/h/prototypes.h b/h/prototypes.h
index 7a4f8a38..da5231ba 100644
--- a/h/prototypes.h
+++ b/h/prototypes.h
@@ -178,16 +178,17 @@ int get_term_numcap(char *capability);
  *
  * Files opened for reading are locked with a read lock (if possible by
  * the underlying lock mechanism), files opened for writing are locked
- * using an exclusive lock.
+ * using an exclusive lock.  The int * argument is used to indicate failure
+ * to acquire a lock.
  */
 int lkclosedata(int, const char *);
 int lkclosespool(int, const char *);
 int lkfclosedata(FILE *, const char *);
 int lkfclosespool(FILE *, const char *);
-FILE *lkfopendata(const char *, const char *);
-int lkopendata(const char *, int, mode_t);
+FILE *lkfopendata(const char *, const char *, int *);
+int lkopendata(const char *, int, mode_t, int *);
 FILE *lkfopenspool(const char *, const char *);
-int lkopenspool(const char *, int, mode_t);
+int lkopenspool(const char *, int, mode_t, int *);
 int m_atoi (char *);
 char *m_backup (char *);
 int m_convert (struct msgs *, char *);
@@ -297,8 +298,12 @@ void seq_printall (struct msgs *);
  *		  and a pointer to the filehandle will be stored in
  *		  folder structure, where it will later be used by
  *		  seq_save().
+ *
+ * Return values:
+ *     OK       - successfully read the sequence files, or they don't exist
+ *     NOTOK    - failed to lock sequence file
  */
-void seq_read (struct msgs * mp, int lockflag);
+int seq_read (struct msgs * mp, int lockflag);
 void seq_save (struct msgs *);
 void seq_setcur (struct msgs *, int);
 void seq_setprev (struct msgs *);