969 struct ndup {  struct
1003 	struct ndup ndup;  member
1318 			fprintf(fp, "%d", np->ndup.dupfd);  in shcmd()
5104 			if (n->ndup.dupfd >= 0)  in cmdtxt()
5105 				cmdputs(utoa(n->ndup.dupfd));  in cmdtxt()
5841 			newfd = redir->ndup.dupfd;  in redirect()
8927 	[NTOFD    ] = SHELL_ALIGN(sizeof(struct ndup)),
8928 	[NFROMFD  ] = SHELL_ALIGN(sizeof(struct ndup)),
9017 		funcblocksize = calcsize(funcblocksize, n->ndup.vname);  in calcsize()
9018 		funcblocksize = calcsize(funcblocksize, n->ndup.next);  in calcsize()
9140 		new->ndup.vname = copynode(n->ndup.vname);  in copynode()
9141 		new->ndup.dupfd = n->ndup.dupfd;  in copynode()
9142 		new->ndup.fd = n->ndup.fd;  in copynode()
9143 		new->ndup.next = copynode(n->ndup.next);  in copynode()
9624 			if (redir->ndup.vname) {  in expredir()
9625 				expandarg(redir->ndup.vname, &fn, EXP_TILDE | EXP_REDIR);  in expredir()
11910 		n->ndup.vname = NULL;  in fixredir()
11914 		n->ndup.dupfd = fd;  in fixredir()
11916 		n->ndup.dupfd = -1;  in fixredir()
11920 		n->ndup.vname = makename();  in fixredir()