--- ray/src/common/standard.h	1989/02/02 10:34:23	1.1
+++ ray/src/common/standard.h	1990/12/15 15:01:35	1.5
@@ -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" */
 
@@ -12,7 +12,17 @@
 
 #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 */
@@ -22,6 +32,13 @@
 #else
 #define  PI		3.14159265358979323846
 #endif
+
+#ifndef  F_OK			/* mode bits for access(2) call */
+#define  R_OK		4		/* readable */
+#define  W_OK		2		/* writable */
+#define  X_OK		1		/* executable */
+#define  F_OK		0		/* exists */
+#endif
 				/* error codes */
 #define  WARNING	1		/* non-fatal error */
 #define  USER		2		/* fatal user-caused error */
@@ -34,7 +51,20 @@ extern char  errmsg[];			/* global buffer for error me
 
 extern int  errno;			/* system error number */
 
+					/* memory operations */
+#ifdef  STRUCTASSIGN
+#define  copystruct(d,s)	(*(d) = *(s))
+#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();
+#endif
+
 extern char  *sskip();
-extern char  *getpath();
+extern char  *getpath(), *getenv();
 extern char  *malloc(), *calloc(), *realloc();
 extern char  *bmalloc(), *savestr(), *savqstr();