1216 varsub(Expand *xp, const char *sp, const char *word,  in varsub()  argument
1236 	xp->var = NULL;  in varsub()
1311 			xp->var = global(sp);  in varsub()
1313 			xp->str = p ? shf_smprintf("%s[%lu]", xp->var->name,  in varsub()
1314 			    arrayindex(xp->var)) : xp->var->name;  in varsub()
1371 			xp->str = shf_smprintf(Tf_d, sc);  in varsub()
1430 		xp->var = global(sp);  in varsub()
1431 		xp->str = str_val(xp->var);  in varsub()
1434 		    !*xp->str && ctype(*sp, C_VAR1 | C_DIGIT))  in varsub()
1471 				xp->u.strv = (const char **)XPptrv(wv);  in varsub()
1475 				xp->var = global(sp);  in varsub()
1477 				xp->u.strv = (const char **)e->loc->argv + 1;  in varsub()
1484 			xp->str = null;  in varsub()
1488 			xp->str = *xp->u.strv++;  in varsub()
1490 			xp->split = tobool(sc & 4);  in varsub()
1498 	    (((stype & STYPE_DBL) ? *xp->str == '\0' : xp->str == null) &&  in varsub()
1499 	    (state != XARG || (ifs0 || xp->split ?  in varsub()
1500 	    (xp->u.strv[0] == NULL) : !hasnonempty(xp->u.strv))) ?  in varsub()
1508 	if (Flag(FNOUNSET) && xp->str == null && !zero_ok &&  in varsub()
1520 comsub(Expand *xp, const char *cp, int fn)  in comsub()  argument
1551 	xp->split = false;  in comsub()
1570 				xp->str = name;  in comsub()
1573 				while (name > xp->str && name[-1] == '\n')  in comsub()
1614 		xp->str = valsub(t, ATEMP);  in comsub()
1631 		xp->split = true;  in comsub()
1634 	xp->u.shf = shf;  in comsub()
1736 	char *xp;  in glob_str()  local
1738 	Xinit(xs, xp, 256, ATEMP);  in glob_str()
1739 	globit(&xs, &xp, cp, wp, markdirs ? GF_MARKDIR : GF_NONE);  in glob_str()
1740 	Xfree(xs, xp);  in glob_str()
1753 	char *xp = *xpp;  in globit()  local
1772 			    stat(Xstring(*xs, xp), &statb) < 0 ? -1 : 1))  in globit()
1777 			if (mksh_lstat(Xstring(*xs, xp), &lstatb) < 0)  in globit()
1784 			if ((check & GF_EXCHECK) && xp > Xstring(*xs, xp) &&  in globit()
1785 			    mksh_cdirsep(xp[-1]) && !S_ISDIR(lstatb.st_mode) &&  in globit()
1795 			    xp > Xstring(*xs, xp) && !mksh_cdirsep(xp[-1]) &&  in globit()
1799 				*xp++ = '/';  in globit()
1800 				*xp = '\0';  in globit()
1803 		strndupx(np, Xstring(*xs, xp), Xlength(*xs, xp), ATEMP);  in globit()
1808 	if (xp > Xstring(*xs, xp))  in globit()
1809 		*xp++ = '/';  in globit()
1811 		Xcheck(*xs, xp);  in globit()
1812 		*xp++ = *sp++;  in globit()
1834 		XcheckN(*xs, xp, se - sp + 1);  in globit()
1835 		debunk(xp, sp, Xnleft(*xs, xp));  in globit()
1836 		xp = strnul(xp);  in globit()
1837 		*xpp = xp;  in globit()
1846 		*xp = '\0';  in globit()
1847 		prefix_len = Xlength(*xs, xp);  in globit()
1848 		dirp = opendir(prefix_len ? Xstring(*xs, xp) : Tdot);  in globit()
1862 			XcheckN(*xs, xp, len);  in globit()
1863 			memcpy(xp, name, len);  in globit()
1864 			*xpp = xp + len - 1;  in globit()
1867 			xp = Xstring(*xs, xp) + prefix_len;  in globit()