--- ray/src/common/standard.h	1992/09/21 12:04:27	2.2
+++ ray/src/common/standard.h	1995/11/10 17:04:14	2.6
@@ -59,15 +59,20 @@ extern char  errmsg[];			/* global buffer for error me
 #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(), *getenv();
+#ifndef malloc
 extern char  *malloc(), *calloc(), *realloc();
+#endif
 extern char  *bmalloc(), *savestr(), *savqstr();
+
+#ifdef  DCL_ATOF
+extern double  atof();
+#endif
 
 #ifdef MSDOS
 #define NIX 1