Use HAVE_STRING_H, HAVE_STRINGS_H, HAVE_STRCHR and HAVE_STDLIB_H.

src/server/conf-file.c

 /*
- * $Id: conf-file.c,v 1.4 1994/03/05 22:15:20 ceder Exp $
+ * $Id: conf-file.c,v 1.5 1994/03/06 19:56:37 ceder Exp $
  * Copyright (C) 1994  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -26,7 +26,7 @@
  * Read configuration files.
  */
 
-static char *rcsid = "$Id: conf-file.c,v 1.4 1994/03/05 22:15:20 ceder Exp $";
+static char *rcsid = "$Id: conf-file.c,v 1.5 1994/03/06 19:56:37 ceder Exp $";
 #include "rcs.h"
 USE(rcsid);
 
@@ -34,8 +34,19 @@ USE(rcsid);
 #include <sys/types.h>
 #include <time.h>
 #include <assert.h>
+#ifdef HAVE_STRING_H
 #  include <string.h>
+#else
+#  ifdef HAVE_STRINGS_H
+#    include <strings.h>
+#  endif
+#endif
+#ifndef HAVE_STRCHR
+#  define strchr index
+#endif
+#ifdef HAVE_STDLIB_H
 #  include <stdlib.h>
+#endif
 #include <stdarg.h>
 
 #include "s-string.h"