--- ray/src/common/readoct.c	2003/07/21 22:30:17	2.21
+++ ray/src/common/readoct.c	2004/09/14 02:53:50	2.26
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: readoct.c,v 2.21 2003/07/21 22:30:17 schorsch Exp $";
+static const char	RCSid[] = "$Id: readoct.c,v 2.26 2004/09/14 02:53:50 greg Exp $";
 #endif
 /*
  *  readoct.c - routines to read octree information.
@@ -10,13 +10,19 @@ static const char	RCSid[] = "$Id: readoct.c,v 2.21 200
 #include  <stdio.h>
 #include  <time.h>
 
-#include  "standard.h"
 #include  "platform.h"
+#include  "rtprocess.h"
+#include  "standard.h"
 #include  "octree.h"
 #include  "object.h"
 #include  "otypes.h"
 #include  "resolu.h"
 
+#ifdef getc_unlocked		/* avoid horrendous overhead of flockfile */
+#undef getc
+#define getc    getc_unlocked
+#endif
+
 static double  ogetflt(void);
 static long  ogetint(int);
 static char  *ogetstr(char *);
@@ -201,7 +207,7 @@ gettree()			/* get a pre-ordered octree */
 	default:
 		octerror(USER, "damaged octree");
 	}
-	return NULL; /* pro forma return */
+	return EMPTY; /* pro forma return */
 }