wfd               244 sapi/cli/php_cli.c 	fd_set wfd, dfd;
wfd               248 sapi/cli/php_cli.c 	FD_ZERO(&wfd);
wfd               251 sapi/cli/php_cli.c 	PHP_SAFE_FD_SET(fd, &wfd);
wfd               256 sapi/cli/php_cli.c 	ret = php_select(fd+1, &dfd, &wfd, &dfd, &tv);