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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/* Internet Socket Example
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Copyright (C) 1991-2023 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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int
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make_socket (uint16_t port)
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{
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int sock;
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struct sockaddr_in name;
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/* Create the socket. */
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sock = socket (PF_INET, SOCK_STREAM, 0);
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if (sock < 0)
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{
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perror ("socket");
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exit (EXIT_FAILURE);
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}
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/* Give the socket a name. */
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name.sin_family = AF_INET;
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name.sin_port = htons (port);
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name.sin_addr.s_addr = htonl (INADDR_ANY);
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if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0)
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{
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perror ("bind");
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exit (EXIT_FAILURE);
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}
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return sock;
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}
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