tclient.c - unix-socket - unix socket C example
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       tclient.c (749B)
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            1 #include <sys/types.h>
            2 #include <sys/socket.h>
            3 #include <sys/un.h>
            4 #include <stdio.h>
            5 #include <stdlib.h>
            6 #include <unistd.h>
            7 
            8 #define DATA "data from client"
            9 
           10 int main(int argc, char *argv[])
           11 {
           12         int sock;
           13         struct sockaddr_un server;
           14         char buf[1024];
           15 
           16         if (argc < 2) {
           17                 printf("usage: %s <pathname>\n", argv[0]);
           18                 exit(1);
           19         }
           20 
           21         sock = socket(AF_UNIX, SOCK_STREAM, 0);
           22         if (sock < 0) {
           23                 perror("opening stream socket");
           24                 exit(1);
           25         }
           26 
           27         server.sun_family = AF_UNIX;
           28         strcpy(server.sun_path, argv[1]);
           29 
           30         if (connect(sock, (struct sockaddr *)&server, sizeof(struct sockaddr_un)) < 0) {
           31                 close(sock);
           32                 perror("connecting stream socket");
           33                 exit(1);
           34         }
           35 
           36         if (write(sock, DATA, sizeof(DATA)) < 0)
           37                 perror("writing on stream socket");
           38         close(sock);
           39 }