51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/uio.h>
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#include <fcntl.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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typedef struct sockaddr SockAddr;
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typedef struct sockaddr_in SockAddr_in;
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void handle_error(char *txt)
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{
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perror(txt);
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exit(-1);
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}
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int main()
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{
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SockAddr_in adres;
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int gniazdo2;
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socklen_t rozmiar = sizeof(SockAddr_in);
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int sock;
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if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
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handle_error("socket");
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memset(&adres, 0, sizeof(SockAddr_in));
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adres.sin_family = AF_INET;
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adres.sin_port = htons(4040);
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inet_pton(AF_INET, "127.0.0.1", &adres.sin_addr.s_addr);
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if ((gniazdo2 = connect(sock, (SockAddr *)&adres, rozmiar)) == -1)
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handle_error("connect");
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ssize_t liczbaBajtow;
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pid_t pid = getpid();
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if ((liczbaBajtow = write(sock, &pid, sizeof(pid_t))) == -1)
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handle_error("write");
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printf("Wysłałem wiadomość: %d\n", pid);
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return 0;
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}
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