*** refclock_nmea.c.orig	2003-07-17 06:27:29.000000000 -0400
--- refclock_nmea.c	2003-11-25 21:02:25.000000000 -0500
***************
*** 23,28 ****
--- 23,30 ----
  #include <stdio.h>
  #include <ctype.h>
  
+ #include <netdb.h>
+ 
  #ifdef HAVE_PPSAPI
  # ifdef HAVE_TIMEPPS_H
  #  include <timepps.h>
***************
*** 153,160 ****
  	(void)sprintf(device, DEVICE, unit);
  
  	fd = refclock_open(device, SPEED232, LDISC_CLK);
! 	if (fd < 0)
! 	    return (0);
  
  	/*
  	 * Allocate and initialize unit structure
--- 155,208 ----
  	(void)sprintf(device, DEVICE, unit);
  
  	fd = refclock_open(device, SPEED232, LDISC_CLK);
! 	if (fd <= 0) {
! #ifdef HAVE_READLINK
!           /* nmead support added by Jon Miner (cp_n18@yahoo.com)
!            *
!            * See http://home.hiwaay.net/~taylorc/gps/nmea-server/
!            * for information about nmead
!            *
!            * To use this, you need to create a link from /dev/gpsX to
!            * the server:port where nmead is running.  Something like this:
!            *
!            * ln -s server:port /dev/gps1
!            */
!           char buffer[80];
!           char *nmea_host;
!           int   nmea_port;
!           int   len;
!           struct hostent *he;
!           struct protoent *p;
!           struct sockaddr_in so_addr;
!           socklen_t so_addr_len = sizeof(so_addr);
! 
!           if ((len = readlink(device,buffer,sizeof(buffer))) == -1)
!             return(0);
!           buffer[len] = 0;
! 
!           if ((nmea_host = strtok(buffer,":")) == NULL)
!             return(0);
!          
!           nmea_port = atoi(strtok(NULL,":"));
! 
!           if ((he = gethostbyname(nmea_host)) == NULL)
!             return(0);
!           if ((p = getprotobyname("ip")) == NULL)
!             return(0);
!           so_addr.sin_family = AF_INET;
!           so_addr.sin_port = htons(nmea_port);
!           so_addr.sin_addr = *((struct in_addr *) he->h_addr);
! 
!           if ((fd = socket(PF_INET,SOCK_STREAM,p->p_proto)) == -1)
!             return(0);
!           if (connect(fd,(struct sockaddr *)&so_addr,so_addr_len) == -1) {
!             close(fd);
!             return (0);
!           }
! #else
!             return (0);
! #endif
!         }
  
  	/*
  	 * Allocate and initialize unit structure