37 lines
900 B
C
37 lines
900 B
C
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#include <net/socket.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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const char msg1[]="Hello!";
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char msg2='\0';
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int main()
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{
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sockaddr addr={AF_INET4, PORT(23) , 0, 0};
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int sk1=socket(AF_INET4, SOCK_STREAM, IPPROTO_TCP);
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printf("Open socket: %d. Error: %d\n",sk1, err_code);
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bind(sk1, &addr,sizeof(addr));
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printf("Socket binding. Error: %d\n", err_code);
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listen(sk1, 1);
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printf("Listening to a socket. Error: %d\n", err_code);
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int sk2 = accept(sk1, &addr, sizeof(addr));
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printf("Accept done. Error: %d\n", err_code);
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send(sk2, msg1, strlen(msg1),MSG_NOFLAG);
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printf("Send message: '%s' Error: %d\n", msg1, err_code);
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puts("Received data:");
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while(msg2!='!')
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{
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recv(sk2, &msg2, 1, MSG_NOFLAG);
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printf("%c",msg2);
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}
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close(sk1);
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close(sk2);
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puts("\nGood bye!");
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exit(0);
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}
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