209 #define notlegal(n)	(n <= FIRSTTOKEN || n >= LASTTOKEN || proctab[n-FIRSTTOKEN] == nullproc)  argument
210 #define isvalue(n)	((n)->ntype == NVALUE)  argument
211 #define isexpr(n)	((n)->ntype == NEXPR)  argument
212 #define isjump(n)	((n)->ctype == OJUMP)  argument
213 #define isexit(n)	((n)->csub == JEXIT)  argument
214 #define	isbreak(n)	((n)->csub == JBREAK)  argument
215 #define	iscont(n)	((n)->csub == JCONT)  argument
216 #define	isnext(n)	((n)->csub == JNEXT || (n)->csub == JNEXTFILE)  argument
217 #define	isret(n)	((n)->csub == JRET)  argument
218 #define isrec(n)	((n)->tval & REC)  argument
219 #define isfld(n)	((n)->tval & FLD)  argument
220 #define isstr(n)	((n)->tval & STR)  argument
221 #define isnum(n)	((n)->tval & NUM)  argument
222 #define isarr(n)	((n)->tval & ARR)  argument
223 #define isfcn(n)	((n)->tval & FCN)  argument
224 #define istrue(n)	((n)->csub == BTRUE)  argument
225 #define istemp(n)	((n)->csub == CTEMP)  argument
226 #define	isargument(n)	((n)->nobj == ARG)  argument