168 static char **t_wp;  variable
213 	t_wp = &argv[1];  in main()
215 	if (nargc == 4 && strcmp(*t_wp, "!") == 0) {  in main()
218 		++t_wp;  in main()
219 		res = oexpr(t_lex(*t_wp));  in main()
221 		res = !oexpr(t_lex(*t_wp));  in main()
224 		syntax(*t_wp, "unexpected operator");  in main()
245 	if (t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL) == BOR)  in oexpr()
246 		return oexpr(t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL)) ||  in oexpr()
248 	t_wp--;  in oexpr()
259 	if (t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL) == BAND)  in aexpr()
260 		return aexpr(t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL)) &&  in aexpr()
262 	t_wp--;  in aexpr()
271 		return !nexpr(t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL));  in nexpr()
285 		if ((nn = t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL)) ==  in primary()
291 		if (t_lex(nargc > 0 ? (--nargc, *++t_wp) : NULL) != RPAREN)  in primary()
302 			return strlen(*++t_wp) == 0;  in primary()
304 			return strlen(*++t_wp) != 0;  in primary()
306 			return isatty(getn(*++t_wp));  in primary()
308 			return filstat(*++t_wp, n);  in primary()
312 	nn = t_lex(nargc > 0 ? t_wp[1] : NULL);  in primary()
316 	return strlen(*t_wp) > 0;  in primary()
324 	opnd1 = *t_wp;  in binop()
325 	op = nargc > 0 ? (--nargc, *++t_wp) : NULL;  in binop()
327 	if ((opnd2 = nargc > 0 ? (--nargc, *++t_wp) : NULL) == NULL)  in binop()
484 	s = *(t_wp + 1);  in isunopoperand()
487 	t = *(t_wp + 2);  in isunopoperand()
501 	s = *(t_wp + 1);  in islparenoperand()
517 	s = *(t_wp + 1);  in isrparenoperand()