$NetBSD: patch-ao,v 1.5 2013/03/28 21:31:25 joerg Exp $

* Don't declare errno but include <errno.h>.

--- zotnet/mts/lock.c.orig	2001-04-03 07:22:46.000000000 +0000
+++ zotnet/mts/lock.c
@@ -77,10 +77,7 @@ static char ident[] = "@(#)$Id: lock.c,v
 #define	FLOCK		/* LOCKF will override this, if defined */
 #endif
 
-#ifdef __CYGWIN32__
 #include <errno.h>
-#endif
-extern int  errno;
 
 #ifdef	LOCKONLY
 #ifndef	MMDFONLY
@@ -103,7 +100,13 @@ char *lockname_from_fd();
 #endif /* MAILLOCK */
 
 static int	b_lkopen(), lockit(), f_lkopen();
-static		lockname(), timerON(), timerOFF();
+static		lockname(), timerOFF();
+
+#ifdef LIBLOCKFILE
+static void timerON (char  *lock, int fd, int ltype);
+#else
+static void timerON (char *lock, int fd);
+#endif
 
 time_t	time ();
 char   *mktemp ();
@@ -620,13 +623,10 @@ int	sig;
 /*  */
 
 #ifdef LIBLOCKFILE
-static timerON (lock, fd, ltype)
-int 	ltype;
+static void timerON (char  *lock, int fd, int ltype)
 #else
-static timerON (lock, fd)
+static void timerON (char *lock, int fd)
 #endif
-char   *lock;
-int	fd;
 {
     register struct lock   *lp;