--- proto.h~	Sun Aug 31 17:29:47 1997
+++ proto.h	Wed Apr 29 05:07:48 1998
@@ -132,7 +132,7 @@
 extern	void	bclass(int);
 extern	double	errcheck(double, char *);
 extern	int	isclvar(char *);
-extern	int	isnumber(char *);
+extern	int	isnumb(char *);
 
 extern	int	adjbuf(char **pb, int *sz, int min, int q, char **pbp, char *what);
 extern	void	run(Node *);
