--- portsentry_io.c.orig	2003-05-23 20:10:13.000000000 +0200
+++ portsentry_io.c	2009-09-26 23:18:48.000000000 +0200
@@ -318,10 +318,9 @@
 #endif
 	      /* search for the token and make sure the trailing character */
 	      /* is a " " or "=" to make sure the entire token was found */
-	      if ((strstr (buffer, token) != (char) NULL) && 
-		   ((buffer[strlen(token)] == '=') || (buffer[strlen(token)] == ' '))) 
+	      if ((strstr (buffer, token) != (char *) NULL) && ((buffer[strlen(token)] == '=') || (buffer[strlen(token)] == ' '))) 
 		{		/* cut off the '=' and send it back */
-		  if (strstr (buffer, "\"") == (char) NULL)
+		  if (strstr (buffer, "\"") == (char *) NULL)
 		    {
 		      Log ("adminalert: Quotes missing from %s token. Option skipped\n", token);
 		      fclose (config);
@@ -667,7 +666,7 @@
 
   while (fgets (buffer, MAXBUF, input) != NULL)
   {
-	if((ipOffset = strstr(buffer, target)) != (char) NULL)
+	if((ipOffset = strstr(buffer, target)) != (char *) NULL)
 	{
 		for(count = 0; count < strlen(ipOffset); count++)
 		{
@@ -724,7 +723,7 @@
 #endif
 
 	/* string not found in target */
-  	if (strstr (target, find) == (char) NULL)
+  	if (strstr (target, find) == (char *) NULL)
 	{
 		strncpy(result, target, MAXBUF);
 		#ifdef DEBUG