Limit visibility of token types to eval.

eval.h

@@ -22,21 +22,7 @@ extern int flickcode ;		/* do flicker supression?       */
 extern int rval ;		/* return value of a subprocess */
 extern long envram ;		/* # of bytes current in use by malloc */
 
-/*	Macro argument token types					*/
-
-#define	TKNUL	0		/* end-of-string                */
-#define	TKARG	1		/* interactive argument         */
-#define	TKBUF	2		/* buffer argument              */
-#define	TKVAR	3		/* user variables               */
-#define	TKENV	4		/* environment variables        */
-#define	TKFUN	5		/* function....                 */
-#define	TKDIR	6		/* directive                    */
-#define	TKLBL	7		/* line label                   */
-#define	TKLIT	8		/* numeric literal              */
-#define	TKSTR	9		/* quoted string literal        */
-#define	TKCMD	10		/* command name                 */
-
-int gettyp( char *token) ;
+int is_it_cmd( char *token) ;
 
 void varinit( void) ;
 int setvar( int f, int n) ;