Unix Local Socket

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
#include <errno.h>

#define MAXLEN  128

int main (int argc, char *argv[]){

    struct sockaddr_un  server;
    int                 serverfd, clientfd;
    socklen_t           addrsize = sizeof(struct sockaddr_un);
    char                buff[MAXLEN], *path;

    if (argc < 2){
        printf("Error: %s [MESSAGE]\n", argv[0]);
        return 1;
    }

    if ((serverfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0){
        printf("Error \"%s\" in socket()\n", strerror(errno));
        exit(1);
    }
    puts("socket()");

    server.sun_family = AF_UNIX;
    path = strcpy(server.sun_path, "/home/myhome/Dropbox/Sources/C/sub");

    printf("[DEBUG]Address bound at %s\n", path);

    if ((bind(serverfd, (struct sockaddr*)&server, addrsize)) < 0){
        printf("Error \"%s\" in bind()\n", strerror(errno));
        exit(1);
    }
    puts("bind()");


    if ((listen(serverfd, 1)) < 0){
        printf("Error \"%s\" in listen()\n", strerror(errno));
        exit(1);
    }

    if ((clientfd = accept(serverfd, NULL, &addrsize)) < 0){
        printf("Error \"%s\" in accept()\n", strerror(errno));
        exit(1);
    }

    write(clientfd, argv[1], strlen(argv[1]));
    read(clientfd, buff, sizeof(buff));

    puts(buff);

    close(clientfd);
    close(serverfd);
    return 0;
}