#include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <stdio.h> #define NAME "socket" /* * This program creates a UNIX domain datagram socket, binds a * name to it, then reads from the socket. */ main() { int sock, length; struct sockaddr_un name; char buf[1024]; /* Create socket from which to read. */ sock = socket(AF_UNIX, SOCK_DGRAM, 0); if (sock < 0) { perror("opening datagram socket"); exit(1); }
/* Create name. */ name.sun_family = AF_UNIX; strcpy(name.sun_path, NAME); name.sun_len = strlen(name.sun_path); if (bind(sock, (struct sockaddr *)&name, SUN_LEN(&name))) { perror("binding name to datagram socket"); exit(1); }
printf("socket -->%s\n", NAME); /* Read from the socket. */ if (read(sock, buf, 1024) < 0) perror("receiving datagram packet"); printf("-->%s\n", buf); close(sock); unlink(NAME); }