--- ray/src/common/calexpr.c	1993/06/04 14:27:58	2.13
+++ ray/src/common/calexpr.c	1993/09/08 09:12:37	2.15
@@ -34,7 +34,7 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #define	 isdecimal(c)	(isdigit(c) || (c) == '.')
 
-extern char  *fgets(), *savestr();
+extern char  *savestr();
 extern char  *emalloc(), *ecalloc();
 extern EPNODE  *curfunc;
 extern double  efunc(), evariable();
@@ -44,6 +44,10 @@ static double  echannel();
 #endif
 static double  eadd(), esubtr(), emult(), edivi(), epow();
 static double  ebotch();
+
+#ifdef  DCL_ATOF
+extern double  atof();
+#endif
 
 int  nextc;				/* lookahead character */