--- ray/src/common/selcall.h	1997/10/31 14:49:37	3.3
+++ ray/src/common/selcall.h	2016/03/06 01:13:17	3.11
@@ -1,19 +1,26 @@
-/* Copyright (c) 1997 Silicon Graphics, Inc. */
-
-/* SCCSid "$SunId$ SGI" */
-
+/* RCSid $Id: selcall.h,v 3.11 2016/03/06 01:13:17 schorsch Exp $ */
 /*
  * header file for select call compatibility
  */
+#ifndef _RAD_SELCALL_H_
+#define _RAD_SELCALL_H_
 
+#include <string.h>
 #include <sys/types.h>
-#include <sys/time.h>
+#if defined(_WIN32) || defined(_WIN64)
+  /*#include <winsock2.h>*/
+#else
+  #include <sys/time.h>
+#endif
 #ifdef INCL_SEL_H
 #include <sys/select.h>
 #endif
 
 #ifndef FD_SETSIZE
-#include <sys/param.h>
+#if defined(_WIN32) || defined(_WIN64)
+#else
+  #include <sys/param.h>
+#endif
 #define FD_SETSIZE	NOFILE		/* maximum # select file descriptors */
 #endif
 #ifndef FD_SET
@@ -23,9 +30,16 @@
 #define	FD_SET(n, p)	((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
 #define	FD_CLR(n, p)	((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
 #define	FD_ISSET(n, p)	((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
-#ifdef BSD
-#define FD_ZERO(p)	bzero((char *)(p), sizeof(*(p)))
-#else
 #define FD_ZERO(p)	memset((char *)(p), 0, sizeof(*(p)))
 #endif
+
+#ifdef __cplusplus
+extern "C" {
 #endif
+
+/* nothing yet */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _RAD_SELCALL_H_ */