<sys/types.h>. */
# include <sys/types.h>
+/* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
+ of 'struct timeval', and no definition of this type.. */
+# include <sys/time.h>
+
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
# include <sys/socket.h>
# if @HAVE_WINSOCK2_H@
-# undef select
-# define select rpl_select
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+# if @GNULIB_SELECT@
+# undef select
+# define select rpl_select
extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
+# else
+# undef select
+# define select select_used_without_requesting_gnulib_module_select
+# endif
+
+# ifdef __cplusplus
+}
+# endif
+
# endif
#endif