32     struct pnpinfo	*pi;  in pnp_scan()  local
70 	STAILQ_FOREACH(pi, &pnp_devices, pi_link) {  in pnp_scan()
71 	    pager_output(STAILQ_FIRST(&pi->pi_ident)->id_ident);	/* first ident should be canonical */  in pnp_scan()
72 	    if (pi->pi_desc != NULL) {  in pnp_scan()
74 		pager_output(pi->pi_desc);  in pnp_scan()
91     struct pnpinfo	*pi;  in pnp_discard()  local
94 	pi = STAILQ_FIRST(&pnp_devices);  in pnp_discard()
96 	pnp_freeinfo(pi);  in pnp_discard()
101  * Add a unique identifier to (pi)
104 pnp_addident(struct pnpinfo *pi, char *ident)  in pnp_addident()  argument
108     STAILQ_FOREACH(id, &pi->pi_ident, id_link)  in pnp_addident()
114     STAILQ_INSERT_TAIL(&pi->pi_ident, id, id_link);  in pnp_addident()
123     struct pnpinfo	*pi;  in pnp_allocinfo()  local
125     pi = malloc(sizeof(struct pnpinfo));  in pnp_allocinfo()
126     bzero(pi, sizeof(struct pnpinfo));  in pnp_allocinfo()
127     STAILQ_INIT(&pi->pi_ident);  in pnp_allocinfo()
128     return(pi);  in pnp_allocinfo()
135 pnp_freeinfo(struct pnpinfo *pi)  in pnp_freeinfo()  argument
139     while (!STAILQ_EMPTY(&pi->pi_ident)) {  in pnp_freeinfo()
140 	id = STAILQ_FIRST(&pi->pi_ident);  in pnp_freeinfo()
141 	STAILQ_REMOVE_HEAD(&pi->pi_ident, id_link);  in pnp_freeinfo()
145     if (pi->pi_desc)  in pnp_freeinfo()
146 	free(pi->pi_desc);  in pnp_freeinfo()
147     if (pi->pi_module)  in pnp_freeinfo()
148 	free(pi->pi_module);  in pnp_freeinfo()
149     if (pi->pi_argv)  in pnp_freeinfo()
150 	free(pi->pi_argv);  in pnp_freeinfo()
151     free(pi);  in pnp_freeinfo()
158 pnp_addinfo(struct pnpinfo *pi)  in pnp_addinfo()  argument
160     STAILQ_INSERT_TAIL(&pnp_devices, pi, pi_link);  in pnp_addinfo()