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/* Test of <sys/socket.h> substitute.
Copyright (C) 2007, 2009-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
#include <sys/socket.h>
#include <errno.h>
#if HAVE_SHUTDOWN
/* Check some integer constant expressions. */
int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
#endif
/* Check that the 'socklen_t' type is defined. */
socklen_t t1;
/* Check that the 'size_t' and 'ssize_t' types are defined. */
size_t t2;
ssize_t t3;
/* Check that 'struct iovec' is defined. */
struct iovec io;
/* Check that a minimal set of 'struct msghdr' is defined. */
struct msghdr msg;
int
main (void)
{
struct sockaddr_storage x;
sa_family_t i;
/* Check some errno values. */
switch (ENOTSOCK)
{
case ENOTSOCK:
case EADDRINUSE:
case ENETRESET:
case ECONNABORTED:
case ECONNRESET:
case ENOTCONN:
case ESHUTDOWN:
break;
}
x.ss_family = 42;
i = 42;
msg.msg_iov = &io;
return (x.ss_family - i + msg.msg_namelen + msg.msg_iov->iov_len
+ msg.msg_iovlen);
}
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