--- ray/src/common/portio.c	1996/11/15 16:20:35	2.5
+++ ray/src/common/portio.c	2004/09/14 02:53:50	2.11
@@ -1,23 +1,29 @@
-/* Copyright (c) 1992 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: portio.c,v 2.11 2004/09/14 02:53:50 greg Exp $";
 #endif
-
 /*
  * Portable i/o for binary files
+ *
+ * External symbols declared in standard.h
  */
 
+#include "copyright.h"
+
 #include <stdio.h>
 
-#ifndef frexp
-extern double  frexp();
+#include "rtio.h"
+
+#include <math.h>
+
+#ifdef getc_unlocked		/* avoid horrendous overhead of flockfile */
+#undef getc
+#undef putc
+#define getc    getc_unlocked
+#define putc    putc_unlocked
 #endif
-#ifndef ldexp
-extern double  ldexp();
-#endif
 
 
+void
 putstr(s, fp)			/* write null-terminated string to fp */
 register char  *s;
 register FILE  *fp;
@@ -28,6 +34,7 @@ register FILE  *fp;
 }
 
 
+void
 putint(i, siz, fp)		/* write a siz-byte integer to fp */
 long  i;
 register int  siz;
@@ -38,6 +45,7 @@ register FILE  *fp;
 }
 
 
+void
 putflt(f, fp)			/* put out floating point number */
 double	f;
 FILE  *fp;