/* select.h   Copyright 1998, 1999, 2000, 2001 Red Hat, Inc.This file is part of Cygwin.This software is a copyrighted work licensed under the terms of theCygwin license.  Please consult the file "CYGWIN_LICENSE" fordetails. *//* Winsock select() types and macros *//* * Use this struct to interface to * the system provided select. */typedef struct winsock_fd_set{  unsigned int fd_count;  HANDLE fd_array[1024]; /* Dynamically allocated. */} winsock_fd_set;/* * Define the Win32 winsock definitions to have a prefix WINSOCK_ * so we can be explicit when we are using them. */#define WINSOCK_FD_ISSET(fd, set) __WSAFDIsSet ((SOCKET)fd, (fd_set *)set)#define WINSOCK_FD_SET(fd, set) do { \	       (set)->fd_array[(set)->fd_count++]=fd;\} while(0)#define WINSOCK_FD_ZERO(set) ((set)->fd_count = 0)#define WINSOCK_FD_CLR(fd, set) do { \    u_int __i; \    for (__i = 0; __i < (set)->fd_count ; __i++) { \	if ((set)->fd_array[__i] == fd) { \	    while (__i < (set)->fd_count-1) { \		(set)->fd_array[__i] = \		    (set)->fd_array[__i+1]; \		__i++; \	    } \	    (set)->fd_count--; \	    break; \	} \    } \} while(0)extern "C" int PASCAL __WSAFDIsSet(SOCKET, fd_set*);extern "C" int PASCAL win32_select(int, fd_set*, fd_set*, fd_set*, const struct timeval*);/* * call to winsock's select() - * type coercion need to appease confused prototypes */#define WINSOCK_SELECT(nfd, rd, wr, ex, timeo) \    win32_select (nfd, (fd_set *)rd, (fd_set *)wr, (fd_set *)ex, timeo)