/* Copyright (C) 1991-2023 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <errno.h> #include <unistd.h> #include <stddef.h> /* Create a one-way communication channel (__pipe). If successful, two file descriptors are stored in PIPEDES; bytes written on PIPEDES[1] can be read from PIPEDES[0]. Returns 0 if successful, -1 if not. */ int __pipe (int __pipedes[2]) { if (__pipedes == NULL) { __set_errno (EINVAL); return -1; } __set_errno (ENOSYS); return -1; } libc_hidden_def (__pipe) stub_warning (pipe) weak_alias (__pipe, pipe)