52 	char *xp;  member
124 		Xcheck(rp->xs, rp->xp);			\
125 		*rp->xp++ = cev;			\
174 	Xinit(ri->xs, ri->xp, 64, ATEMP);			\
181 	*retrace_info->xp = '\0';				\
182 	sp = Xstring(retrace_info->xs, retrace_info->xp);	\
402 						*retrace_info->xp++ = '(';  in yylex()
1132 	char *xp;  in readhere()  local
1140 	Xinit(xs, xp, 256, ATEMP);  in readhere()
1145 	xpos = Xsavepos(xs, xp);  in readhere()
1187 		Xcheck(xs, xp);  in readhere()
1188 		Xput(xs, xp, c);  in readhere()
1195 	Xcheck(xs, xp);  in readhere()
1196 	Xput(xs, xp, c);  in readhere()
1203 	xp = Xrestpos(xs, xp, xpos);  in readhere()
1205 	Xput(xs, xp, '\0');  in readhere()
1206 	iop->heredoc = Xclose(xs, xp);  in readhere()
1359 	char *xp = Xstring(s->xs, xp), *cp;  in getsc_line()  local
1364 	XcheckN(s->xs, xp, LINE);  in getsc_line()
1365 	*xp = '\0';  in getsc_line()
1366 	s->start = s->str = xp;  in getsc_line()
1385 		nread = x_read(xp);  in getsc_line()
1389 		xp[nread] = '\0';  in getsc_line()
1390 		xp += nread;  in getsc_line()
1400 			char *p = shf_getse(xp, Xnleft(s->xs, xp), s->u.shf);  in getsc_line()
1409 			if (!p || (xp = p, xp[-1] == '\n'))  in getsc_line()
1413 			xp++;  in getsc_line()
1414 			XcheckN(s->xs, xp, Xlength(s->xs, xp));  in getsc_line()
1416 			xp--;  in getsc_line()
1437 	cp = Xstring(s->xs, xp);  in getsc_line()
1440 	strip_nuls(Xstring(s->xs, xp), Xlength(s->xs, xp));  in getsc_line()
1442 	if (Xlength(s->xs, xp) == 0) {  in getsc_line()
1457 		cp = Xstring(s->xs, xp);  in getsc_line()
1723 		if (Xlength(rp->xs, rp->xp))  in ungetsc()
1724 			rp->xp--;  in ungetsc()