/* lseek.c -- move read/write pointer. * * Copyright (c) 1995 Cygnus Support * * The authors hereby grant permission to use, copy, modify, distribute, * and license this software and its documentation for any purpose, provided * that existing copyright notices are retained in all copies and that this * notice is included verbatim in any distributions. No written agreement, * license, or royalty fee is required for any of the authorized uses. * Modifications to this software may be copyrighted by their authors * and need not follow the licensing terms described here, provided that * the new terms are clearly indicated on the first page of each file where * they apply. */ #include #include #include "glue.h" /* * lseek -- Since a serial port is non-seekable, we return an error. */ off_t _DEFUN (lseek, (fd, offset, whence), int fd, off_t offset, int whence) { errno = ESPIPE; return ((off_t)-1); }