Index: predict-2.2.3/clients/map/map_cb.c
===================================================================
--- predict-2.2.3.orig/clients/map/map_cb.c	2009-11-14 09:48:53.000000000 -0500
+++ predict-2.2.3/clients/map/map_cb.c	2009-11-14 09:51:07.000000000 -0500
@@ -18,9 +18,11 @@
 *****************************************************************************/
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <arpa/inet.h>
 #include <netdb.h>
 #include <signal.h>
 #include <time.h>
@@ -39,7 +41,7 @@
 	/* This function implements the arccosine function,
 	   returning a value between 0 and two pi. */
 
-	double result, fraction;
+	double result=0.0, fraction;
 
 	fraction=x/y;
 
@@ -76,7 +78,7 @@
 	bzero((char *)&sin,sizeof(struct sockaddr_in));
 	sin.sin_family = AF_INET;
 	
-	if (pse=getservbyname(service,protocol))
+	if ((pse=getservbyname(service,protocol)))
 		sin.sin_port=pse->s_port;
 
 	else if ((sin.sin_port=htons((unsigned short)atoi(service)))==0)
@@ -85,7 +87,7 @@
 	   return -1;
 	}
 
-	if (phe=gethostbyname(host))
+	if ((phe=gethostbyname(host)))
 		bcopy(phe->h_addr,(char *)&sin.sin_addr,phe->h_length);
 
 	else if ((sin.sin_addr.s_addr = inet_addr(host))==INADDR_NONE)