1  /* Receive multiple messages on a socket.  Stub version.
       2     Copyright (C) 2010-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <errno.h>
      20  #include <sys/socket.h>
      21  
      22  /* Receive up to VLEN messages as described by VMESSAGES from socket FD.
      23     Returns the number of bytes read or -1 for errors.  */
      24  int
      25  recvmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags,
      26  	  struct timespec *tmo)
      27  {
      28    __set_errno (ENOSYS);
      29    return -1;
      30  }
      31  stub_warning (recvmmsg)