365     int *urd, envlen, pid, exit, flags, job, dash;
2747   int envlen, skiplen, funk = TT.funcslen, ii, jj = 0, prefix = 0;  in run_command()  local
2751   for (envlen = skiplen = 0; envlen<arg->c; envlen++)  in run_command()
2752     if ((ss = varend(arg->v[envlen]))==arg->v[envlen] || ss[*ss=='+']!='=')  in run_command()
2756   if ((s = arg->v[envlen])) {  in run_command()
2758     else if (!strcmp(s, "[[")) while (strcmp(arg->v[envlen+skiplen++], "]]"));  in run_command()
2760   pp = expand_redir(arg, envlen+skiplen, 0);  in run_command()
2773         if (expand_arg(&pp->arg, arg->v[envlen+ii], NO_PATH|NO_SPLIT, &pp->delete))  in run_command()
2786   if (funk != TT.funcslen || (envlen && pp->arg.c) || TT.ff->blk->pipe) {  in run_command()
2798   if (envlen) for (; jj<envlen && !pp->exit; jj++) {  in run_command()
2813   if (pp->exit || envlen==arg->c) s = 0; // leave $_ alone  in run_command()