xcdr_addr        6123 src/alloc.c    	prev = xcdr_addr (tail);
xcdr_addr        6175 src/alloc.c    	prev = xcdr_addr (tail);
xcdr_addr        6928 src/alloc.c    	  prev = xcdr_addr (tail);
xcdr_addr        3937 src/font.c             pcdr = xcdr_addr (*pcdr);
xcdr_addr        1542 src/lisp.h       *xcdr_addr (c) = n;
xcdr_addr        1200 test/manual/etags/c-src/emacs/src/lisp.h   *xcdr_addr (c) = n;