1088 varsub(Expand *xp, const char *sp, const char *word,  in varsub()  argument
1104 	xp->var = NULL;  in varsub()
1171 		xp->str = shf_smprintf("%d", c);  in varsub()
1234 			xp->str = null;  in varsub()
1235 			xp->var = global(sp);  in varsub()
1238 			xp->u.strv = (const char **)e->loc->argv + 1;  in varsub()
1239 			xp->str = *xp->u.strv++;  in varsub()
1241 			xp->split = tobool(c == '@');  in varsub()
1276 				xp->str = null;  in varsub()
1281 				xp->u.strv = (const char **)XPptrv(wv);  in varsub()
1282 				xp->str = *xp->u.strv++;  in varsub()
1284 				xp->split = tobool(p[1] == '@');  in varsub()
1294 				xp->var = global(sp);  in varsub()
1296 					xp->str = shf_smprintf("%s[%lu]",  in varsub()
1297 					    xp->var->name,  in varsub()
1298 					    arrayindex(xp->var));  in varsub()
1300 					xp->str = xp->var->name;  in varsub()
1302 				xp->var = global(sp);  in varsub()
1303 				xp->str = str_val(xp->var);  in varsub()
1312 	    (((stype&0x80) ? *xp->str=='\0' : xp->str==null) ? /* undef? */  in varsub()
1318 	if (Flag(FNOUNSET) && xp->str == null && !zero_ok &&  in varsub()
1328 comsub(Expand *xp, const char *cp, int fn MKSH_A_UNUSED)  in comsub()  argument
1348 	xp->split = false;  in comsub()
1394 		xp->str = valsub(t, ATEMP);  in comsub()
1411 		xp->split = true;  in comsub()
1414 	xp->u.shf = shf;  in comsub()
1513 	char *xp;  in glob_str()  local
1515 	Xinit(xs, xp, 256, ATEMP);  in glob_str()
1516 	globit(&xs, &xp, cp, wp, markdirs ? GF_MARKDIR : GF_NONE);  in glob_str()
1517 	Xfree(xs, xp);  in glob_str()
1530 	char *xp = *xpp;  in globit()  local
1549 			    stat(Xstring(*xs, xp), &statb) < 0 ? -1 : 1))  in globit()
1554 			if (mksh_lstat(Xstring(*xs, xp), &lstatb) < 0)  in globit()
1561 			if ((check & GF_EXCHECK) && xp > Xstring(*xs, xp) &&  in globit()
1562 			    xp[-1] == '/' && !S_ISDIR(lstatb.st_mode) &&  in globit()
1572 			    xp > Xstring(*xs, xp) && xp[-1] != '/' &&  in globit()
1576 				*xp++ = '/';  in globit()
1577 				*xp = '\0';  in globit()
1580 		strndupx(np, Xstring(*xs, xp), Xlength(*xs, xp), ATEMP);  in globit()
1585 	if (xp > Xstring(*xs, xp))  in globit()
1586 		*xp++ = '/';  in globit()
1588 		Xcheck(*xs, xp);  in globit()
1589 		*xp++ = *sp++;  in globit()
1611 		XcheckN(*xs, xp, se - sp + 1);  in globit()
1612 		debunk(xp, sp, Xnleft(*xs, xp));  in globit()
1613 		xp += strlen(xp);  in globit()
1614 		*xpp = xp;  in globit()
1623 		*xp = '\0';  in globit()
1624 		prefix_len = Xlength(*xs, xp);  in globit()
1625 		dirp = opendir(prefix_len ? Xstring(*xs, xp) : ".");  in globit()
1639 			XcheckN(*xs, xp, len);  in globit()
1640 			memcpy(xp, name, len);  in globit()
1641 			*xpp = xp + len - 1;  in globit()
1645 			xp = Xstring(*xs, xp) + prefix_len;  in globit()