--- ray/src/common/rtio.h	2003/06/30 14:59:11	3.2
+++ ray/src/common/rtio.h	2003/10/27 10:19:31	3.5
@@ -1,19 +1,20 @@
-/* RCSid $Id: rtio.h,v 3.2 2003/06/30 14:59:11 schorsch Exp $ */
+/* RCSid $Id: rtio.h,v 3.5 2003/10/27 10:19:31 schorsch Exp $ */
 /*
  *	Radiance i/o and string routines
  */
 
 #ifndef _RAD_RTIO_H_
 #define _RAD_RTIO_H_
-#ifdef __cplusplus
-extern "C" {
-#endif
 
 #include  <stdio.h>
 #include  <sys/types.h>
 #include  <fcntl.h>
 #include  <string.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* XXX include paths.h instead */
 #ifndef	 F_OK			/* mode bits for access(2) call */
 #define	 R_OK		4		/* readable */
@@ -22,9 +23,6 @@ extern "C" {
 #define	 F_OK		0		/* exists */
 #endif
 
-			/* <unistd.h> is missing on some systems */
-extern off_t	lseek(int, off_t, int);
-
 					/* defined in badarg.c */
 extern int	badarg(int ac, char **av, char *fl);
 					/* defined in expandarg.c */
@@ -46,6 +44,8 @@ extern void	fputword(char *s, FILE *fp);
 extern FILE	*frlibopen(char *fname);
 					/* defined in getlibpath.c */
 extern char	*getrlibpath(void);
+					/* defined in gethomedir.c */
+extern char *gethomedir(char *uname, char *path, int plen);
 					/* defined in getpath.c */
 extern char	*getpath(char *fname, char *searchpath, int mode);
 					/* defined in portio.c */