Move cancelations up. Include <stdlib.h> if

available.

lib-src/movemail.c

@@ -91,6 +91,12 @@ Boston, MA 02111-1307, USA.  */
 #define DISABLE_DIRECT_ACCESS
 #endif /* WINDOWSNT */
 
+/* Cancel substitutions made by config.h for Emacs.  */
+#undef open
+#undef read
+#undef write
+#undef close
+
 #ifdef USG
 #include <fcntl.h>
 #include <unistd.h>
@@ -106,6 +112,10 @@ Boston, MA 02111-1307, USA.  */
 #include <unistd.h>
 #endif
 
+#ifdef STDC_HEADERS
+#include <stdlib.h>
+#endif
+
 #if defined (XENIX) || defined (WINDOWSNT)
 #include <sys/locking.h>
 #endif
@@ -133,12 +143,6 @@ static char *mail_spool_name ();
 #endif
 #endif
 
-/* Cancel substitutions made by config.h for Emacs.  */
-#undef open
-#undef read
-#undef write
-#undef close
-
 #ifndef errno
 extern int errno;
 #endif