39 lines
813 B
C
39 lines
813 B
C
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/* https://rsdn.org/article/unix/sockets.xml */
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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char message[] = "Hello there!\n";
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char buf[sizeof(message)];
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int main()
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{
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int sock;
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struct sockaddr_in addr;
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sock = socket(AF_INET, SOCK_STREAM, 0);
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if (sock < 0) {
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perror("socket");
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exit(1);
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}
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addr.sin_family = AF_INET;
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addr.sin_port = htons(3425); // или любой другой порт...
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addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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perror("connect");
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exit(2);
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}
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send(sock, message, sizeof(message), 0);
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recv(sock, buf, sizeof(message), 0);
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printf(buf);
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close(sock);
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return 0;
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}
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