$NetBSD: patch-ag,v 1.2 2012/11/01 19:27:36 joerg Exp $

--- xcalev/xcalev.c.orig	2012-10-30 21:25:09.000000000 +0000
+++ xcalev/xcalev.c
@@ -52,11 +52,13 @@ static char    *copyright = "@(#)Copyrig
  
 ***/
 #include <stdio.h>
+#include <stdlib.h>
 #include <ctype.h>
 #include <string.h>
 #include <time.h>
 #include <pwd.h>
 #include <unistd.h>
+#include <fcntl.h>
 #if defined(NeXT)
 #include <sys/fcntl.h>
 #endif
@@ -88,8 +90,6 @@ static int	year;			/* year to do the wor
 static char	*memerr = "No more memory\n";
 static char	*usage = "Usage: xcalev [-f srcfile] [-d dir][-x][-r] [year]\n";
 
-char	*malloc();
-
 /*
  *	routines
  */
@@ -441,7 +441,7 @@ connect_file(filename, bytes)
  
         if (statb.st_size == 0) {
 		*bytes = 0;
-		return;
+		return NULL;
 	}
 	fibase = readbfile(fd, statb.st_size);