由inetd启动的时间日期服务器程序

#include  "unp.h"

#include 

 

extern int daemon_proc; /* defined in error.c */

 

void

daemon_inetd(const char *pname, int facility)

{

   daemon_proc = 1;    /* for our err_XXX() functions */

   openlog(pname, LOG_PID, facility);

}

 

由inetd启动的时间/日期服务器程序

#include  "unp.h"

#include 

 

int

main(int argc, char **argv)

{

   int listenfd, connfd;

   socklen_t addrlen, len;

   struct sockaddr *cliaddr;

   char buff[MAXLINE];

   time_t ticks;

 

   if (argc < 2 || argc > 3)

     err_quit("usage: daytimetcpsrv2 [ ] ");

 

   daemon_init(argv[0], 0);

 

   if (argc == 2)

     listenfd = Tcp_listen(NULL, argv[1], &addrlen);

   else

     listenfd = Tcp_listen(argv[1], argv[2], &addrlen);

 

   cliaddr = Malloc(addrlen);

 

   for ( ; ; ) {

     len = addrlen;

     connfd = Accept(listenfd, cliaddr, &len);

     err_msg("connection from %s", Sock_ntop(cliaddr, len));

 

     ticks = time(NULL);

     snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));

     Write(connfd, buff, strlen(buff));

 

     Close(connfd);

   }

}