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 <sys/socket.h>
      20  
      21  /* Read N bytes into BUF through socket FD from peer
      22     at address ADDR (which is ADDR_LEN bytes long).
      23     Returns the number read or -1 for errors.  */
      24  ssize_t
      25  __recvfrom (int fd, void *buf, size_t n, int flags, __SOCKADDR_ARG addr,
      26  	    socklen_t *addr_len)
      27  {
      28    __set_errno (ENOSYS);
      29    return -1;
      30  }
      31  
      32  weak_alias (__recvfrom, recvfrom)
      33  
      34  stub_warning (recvfrom)