--- ray/src/common/standard.h	2003/06/20 00:25:49	2.27
+++ ray/src/common/standard.h	2003/06/26 00:58:09	2.30
@@ -1,4 +1,4 @@
-/* RCSid $Id: standard.h,v 2.27 2003/06/20 00:25:49 greg Exp $ */
+/* RCSid $Id: standard.h,v 2.30 2003/06/26 00:58:09 schorsch Exp $ */
 /*
  *	Miscellaneous definitions required by many routines.
  */
@@ -25,7 +25,7 @@ extern "C" {
 				/* regular transformation */
 typedef struct {
 	MAT4  xfm;				/* transform matrix */
-	FLOAT  sca;				/* scalefactor */
+	RREAL  sca;				/* scalefactor */
 }  XF;
 				/* complemetary tranformation */
 typedef struct {
@@ -78,7 +78,7 @@ extern char  errmsg[];			/* global buffer for error me
 #define  tsin			sin
 #define  ttan			tan
 #else
-extern double	tcos();			/* table-based cosine approximation */
+					/* table-based cosine approximation */
 #define  tsin(x)		tcos((x)-(PI/2.))
 #define  ttan(x)		(tsin(x)/tcos(x))
 #endif
@@ -103,8 +103,10 @@ extern double	tcos();			/* table-based cosine approxim
 #define	 index			strchr
 #define	 rindex			strrchr
 #endif
-extern off_t  lseek();
 
+			/* <unistd.h> is missing on some systems */
+extern off_t  lseek(int, off_t, int);
+
 #ifdef _WIN32
 #define NIX 1
 #endif
@@ -134,7 +136,7 @@ extern char	*fgetword(char *s, int n, FILE *fp);
 					/* defined in fputword.c */
 extern void	fputword(char *s, FILE *fp);
 					/* defined in fixargv0.c */
-extern char	*fixargv0(char *av0);
+/*extern char	*fixargv0(char *av0);*/ /* XXX include paths.h instead */
 					/* defined in fropen.c */
 extern FILE	*frlibopen(char *fname);
 					/* defined in getlibpath.c */
@@ -149,12 +151,14 @@ extern char	*getstr(char *s, FILE *fp);
 extern long	getint(int siz, FILE *fp);
 extern double	getflt(FILE *fp);
 					/* defined in process.c */
+/*
 extern int	open_process(int pd[3], char *av[]);
 extern int	process(int pd[3], char *recvbuf, char *sendbuf,
 				int nbr, int nbs);
 extern int	close_process(int pd[3]);
 extern int	readbuf(int fd, char *bpos, int siz);
 extern int	writebuf(int fd, char *bpos, int siz);
+*/
 					/* defined in rexpr.c */
 extern int	ecompile(char *sp, int iflg, int wflag);
 extern char	*expsave(void);