Rename config.h to pg_config.h and os.h to pg_config_os.h, fix a number of

places that were including the wrong files.

src/backend/port/gethostname.c

@@ -1,12 +1,12 @@
-/* $Id: gethostname.c,v 1.4 1998/09/01 03:24:25 momjian Exp $ */
+/* $Id: gethostname.c,v 1.5 2001/08/24 14:07:49 petere Exp $ */
+
+#include "c.h"
 
 #include <sys/types.h>
 #include <string.h>
 
 #include <sys/utsname.h>
 
-#include "config.h"
-
 int
 gethostname(char *name, int namelen)
 {