/* 接收方代碼 */

#include <sys/types.h>

#include <sys/socket.h>

#include <errno.h>



struct sockaddr myname;

struct sockaddr from_name;

char buf[80];

main()

{

  int   sock;

  int   fromlen, cnt;

  sock = socket(AF_UNIX, SOCK_DGRAM, 0);

  if (sock < 0) {

    printf("socket failure %d\n", errno);

    exit(1);

  }

  myname.sa_family = AF_UNIX;

  strcpy(myname.sa_data, "/tmp/tsck");

  if (bind(sock, &myname, strlen(myname.sa_data) +

        sizeof(myname.sa_family)) < 0) {

    printf("bind failure %d\n", errno);

    exit(1);

  }				/* 建立套接字 */

  cnt = recvfrom(sock, buf, sizeof(buf),

    0, &from_name, &fromlen);

  if (cnt < 0) {

    printf("recvfrom failure %d\n", errno);

    exit(1);

  }				/* 調(diào)用recvfrom函數(shù)從套接字接收數(shù)據(jù) */

  buf[cnt] = '\0';  /* 添加字符串結(jié)束標(biāo)志 */

  from_name.sa_data[fromlen] = '\0';

  printf("'%s' received from %s\n",

    buf, from_name.sa_data);

}