1  /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <unistd.h>
      20  #include <sys/uio.h>
      21  
      22  /* Write data pointed by the buffers described by VECTOR, which
      23     is a vector of COUNT `struct iovec's, to file descriptor FD.
      24     The data is written in the order specified.
      25     Operates just like `write' (see <unistd.h>) except that the data
      26     are taken from VECTOR instead of a contiguous buffer.  */
      27  ssize_t
      28  __writev (int fd, const struct iovec *vector, int count)
      29  {
      30    __set_errno (ENOSYS);
      31    return -1;
      32  }
      33  libc_hidden_def (__writev)
      34  weak_alias (__writev, writev)
      35  
      36  stub_warning (writev)