112 	int len;  local
119 		if( (len = (*Read)(fn, str, XBUFSIZ)) == 0)
121 		if (len < 0) {
125 		str += len;
147 	int len, ret;  local
153 	while ((len = read( fd1, bufr, XBUFSIZ )) > 0) {
154 		bytes += len;
156 		ret = (*Write)(fn, bufr, len);
157 		if (ret != len) {
160 		if (len != XBUFSIZ)
181 	int len;  local
189 		len = xrdblk(bufr, XBUFSIZ, fn);
190 		if (len < 0) {
193 		bytes += len;
195 		if( ret == SUCCESS && write( fd2, bufr, len ) != len )
197 		if (len < XBUFSIZ)
214 xrdblk(blk, len,  fn)  in xrdblk()  argument
223 	for (i = 0; i < len; i += ret) {
224 		if ((ret = (*Read)(fn, blk, len - i)) < 0) {