prom_searchsiblings
extern int prom_searchsiblings(int node_start, char *name);
fd_node = prom_searchsiblings(tnode, "obio");
fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo");
fd_node = prom_searchsiblings(tnode, "fd");
phandle prom_searchsiblings(phandle node_start, char *name);
phandle prom_searchsiblings(phandle node_start, const char *name);
node = prom_searchsiblings(node, "obio");
node = prom_searchsiblings(node, "power");
auxio_nd = prom_searchsiblings(node, "auxiliary-io");
node = prom_searchsiblings(node, "obio");
auxio_nd = prom_searchsiblings(node, "auxio");
if(prom_searchsiblings(node, "leds")) {
node = prom_searchsiblings (node, "pci");
node = prom_searchsiblings(prom_getchild(prom_root_node), "memory");
obio_node = prom_searchsiblings(node, "obio");
EXPORT_SYMBOL(prom_searchsiblings);
node = prom_searchsiblings(node, nbuf);
node2 = prom_searchsiblings(prom_getsibling(node2), nbuf);
EXPORT_SYMBOL(prom_searchsiblings);