SQ_NOKEY          157 modules/rx/rx_search.c 	stack[*maxdepth].srckey = SQ_NOKEY;
SQ_NOKEY          232 modules/rx/rx_search.c   nodcpy.srckey = SQ_NOKEY;
SQ_NOKEY          272 modules/rx/rx_search.c   nodcpy.srckey = SQ_NOKEY;
SQ_NOKEY          297 modules/rx/rx_tree.c   newtree->top_key = SQ_NOKEY;