1 /* Internet Socket Example
2 Copyright (C) 1991-2020 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, see <https://www.gnu.org/licenses/>.
20 #include <sys/socket.h>
21 #include <netinet/in.h>
24 make_socket (uint16_t port
)
27 struct sockaddr_in name
;
29 /* Create the socket. */
30 sock
= socket (PF_INET
, SOCK_STREAM
, 0);
37 /* Give the socket a name. */
38 name
.sin_family
= AF_INET
;
39 name
.sin_port
= htons (port
);
40 name
.sin_addr
.s_addr
= htonl (INADDR_ANY
);
41 if (bind (sock
, (struct sockaddr
*) &name
, sizeof (name
)) < 0)