18 			      int volatile flags));
73 execute(t, flags)  in execute()  argument
75 	volatile int flags;	/* if XEXEC don't fork */
96 	if ((flags&XFORK) && !(flags&XEXEC) && t->type != TPIPE)
97 		return exchild(t, flags & ~XTIME, -1); /* run in sub-process */
115 		if (flags & XTIME)
129 	flags &= ~XTIME;
155 		rv = comexec(t, tp, ap, flags);
159 		rv = execute(t->left, flags|XFORK);
163 		flags |= XFORK;
164 		flags &= ~XEXEC;
176 			exchild(t->left, flags|XPIPEO|XCCLOSE, pv[0]);
179 			flags |= XPIPEI;
185 		i = exchild(t, flags|XPCLOSE, 0);
186 		if (!(flags&XBGND) && !(flags&XXCOM))
192 			execute(t->left, flags & XERROK);
195 		rv = execute(t, flags & XERROK);
256 		flags &= ~XEXEC;
257 		exchild(t->left, flags|XBGND|XFORK|XCOPROC|XCCLOSE,
268 		rv = execute(t->left, (flags&~XEXEC)|XBGND|XFORK);
275 			rv = execute(t->right, flags & XERROK);
277 			flags |= XERROK;
289 		te.flags = TEF_DBRACKET;
315 			if ((e->flags&EF_BRKCONT_PASS)
329 				rv = execute(t->left, flags & XERROK);
341 				rv = execute(t->left, flags & XERROK);
355 			if ((e->flags&EF_BRKCONT_PASS)
367 			rv = execute(t->right, flags & XERROK);
375 			execute(t->right->left, flags & XERROK) :
376 			execute(t->right->right, flags & XERROK);
388 		rv = execute(t->left, flags & XERROK);
392 		rv = execute(t->left, flags & XERROK);
403 		rv = timex(t, flags & ~XEXEC);
419 		ksh_execve(t->str, t->args, ap, (flags & XINTACT) ? 1 : 0);
429 	if ((flags&XEXEC))
431 	if (rv != 0 && !(flags & XERROK)) {
444 comexec(t, tp, ap, flags)  in comexec()  argument
448 	int volatile flags;
502 			flags |= XEXEC;
642 			e->loc->flags |= BF_DOGETOPTS;
657 			exstat = execute(tp->val.t, flags & XERROK);
719 		if (flags&XEXEC) {
721 			if (!(flags&XBGND) || Flag(FMONITOR)) {
732 		rv = exchild(&texec, flags, -1);
736 	if (flags & XEXEC) {
977 findcom(name, flags)  in findcom()  argument
979 	int	flags;		/* FC_* */
991 		flags &= ~FC_FUNC;
994 	tbi = (flags & FC_BI) ? tsearch(&builtins, name, h) : NULL;
998 	if ((flags & FC_SPECBI) && tbi && (tbi->flag & SPEC_BI))
1000 	if (!tp && (flags & FC_FUNC)) {
1011 	if (!tp && (flags & FC_REGBI) && tbi && (tbi->flag & REG_BI))
1021 	if (!tp && (flags & FC_UNREGBI) && tbi)
1023 	if (!tp && (flags & FC_PATH) && !(flags & FC_DEFPATH)) {
1036 	    && (flags & FC_PATH))
1039 			if (insert && !(flags & FC_DEFPATH)) {
1048 		npath = search(name, flags & FC_DEFPATH ? def_path : path,
1053 		} else if ((flags & FC_FUNC)
1291 	int do_open = 1, do_close = 0, UNINITIALIZED(flags);
1310 		flags = O_RDONLY;
1314 		flags = O_WRONLY | O_APPEND | O_CREAT;
1318 		flags = O_WRONLY | O_CREAT | O_TRUNC;
1324 			flags |= O_EXCL;
1328 		flags = O_RDWR | O_CREAT;
1358 		if (Flag(FRESTRICTED) && (flags & O_CREAT)) {
1362 		u = open(cp, flags, 0666);
1365 			u = open("nul", flags, 0666);
1684 	te->flags |= TEF_ERROR;