rb_sourcefile    1273 ext/tk/tcltklib.c       const char *base = ruby_enc_find_basename(rb_sourcefile(), NULL, NULL,
rb_sourcefile    1279 ext/tk/tcltklib.c 			    rb_str_new2(rb_sourcefile()));
rb_sourcefile    1285 ext/tk/tcltklib.c     set_rubytk_kitpath(rb_sourcefile());
rb_sourcefile     292 include/ruby/intern.h const char *rb_sourcefile(void);
rb_sourcefile    2166 variable.c         src = rb_sourcefile();