--- ray/src/common/standard.h	1990/01/18 23:58:53	1.3
+++ ray/src/common/standard.h	1991/10/23 13:43:09	1.7
@@ -1,4 +1,4 @@
-/* Copyright (c) 1988 Regents of the University of California */
+/* Copyright (c) 1990 Regents of the University of California */
 
 /* SCCSid "$SunId$ LBL" */
 
@@ -12,11 +12,18 @@
 
 #include  <errno.h>
 
-#include  "fvect.h"
+#include  "mat4.h"
+				/* regular transformation */
+typedef struct {
+	MAT4  xfm;				/* transform matrix */
+	double  sca;				/* scalefactor */
+}  XF;
+				/* complemetary tranformation */
+typedef struct {
+	XF  f;					/* forward */
+	XF  b;					/* backward */
+}  FULLXF;
 
-#define  FHUGE		(1e10)		/* large real number */
-#define  FTINY		(1e-6)		/* small real number */
-
 #ifdef  M_PI
 #define  PI		M_PI
 #else
@@ -47,14 +54,17 @@ extern int  errno;			/* system error number */
 #else
 #define  copystruct(d,s)	bcopy((char *)(s),(char *)(d),sizeof(*(d)))
 #endif
+
 #ifndef  BSD
 #define  bcopy(s,d,n)		(void)memcpy(d,s,n)
 #define  bzero(d,n)		(void)memset(d,0,n)
 #define  bcmp(b1,b2,n)		memcmp(b1,b2,n)
 extern char  *memcpy(), *memset();
+#define  index			strchr
+#define  rindex			strrchr
 #endif
 
 extern char  *sskip();
-extern char  *getpath();
+extern char  *getpath(), *getenv();
 extern char  *malloc(), *calloc(), *realloc();
 extern char  *bmalloc(), *savestr(), *savqstr();