diff -ru efax08a.old/efax.c efax08a/efax.c
--- efax08a.old/efax.c  Tue Sep 17 05:30:43 1996
+++ efax08a/efax.c      Mon Dec  7 10:06:57 1998
@@ -1970,6 +1970,7 @@
   char fnamepat [ PATH_MAX ] ;

   argv0 = argv[0] ;
+  memset((void *)lkfile, 0, sizeof(lkfile));  /* random
effects on sparc linux */
   msg ( "I " Version " " Copyright ) ;
   argv0 = efaxbasename ( argv0 ) ;
   msg ( "A compiled "__DATE__ " " __TIME__ ) ;
diff -ru efax08a.old/efaxos.c efax08a/efaxos.c
--- efax08a.old/efaxos.c        Sat Jun 29 21:45:25 1996
+++ efax08a/efaxos.c    Mon Dec  7 10:44:10 1998
@@ -448,7 +448,7 @@
 {
   int err = 0 ;
   char **p = lkfiles ;
-  while ( *p && ! err )
+  while ( *p && **p && ! err )
     if ( ( err = ttlock ( *p++, log ) ) == 3 ) err = 0 ;
   return err ;
 }
@@ -461,7 +461,7 @@
 {
   int err = 0, i ;
   char **p = lkfiles ;
-  while ( *p )
+  while ( *p && **p )
     if ( ( i = ttunlock ( *p++ ) ) != 0 ) err = i ;
   return err ;
 }