ruby_tcl_stubs_init    9 ext/tk/stubs.h extern int ruby_tcl_stubs_init(void);
ruby_tcl_stubs_init 1309 ext/tk/tcltklib.c         int st = ruby_tcl_stubs_init();
ruby_tcl_stubs_init 6258 ext/tk/tcltklib.c     st = ruby_tcl_stubs_init();