rb_str_dup_frozen  512 dir.c              orig = rb_str_dup_frozen(dirname);
rb_str_dup_frozen  514 dir.c              dirname = rb_str_dup_frozen(dirname);
rb_str_dup_frozen 2653 dir.c              orig = rb_str_dup_frozen(dirname);
rb_str_dup_frozen 2655 dir.c              dirname = rb_str_dup_frozen(dirname);
rb_str_dup_frozen 1346 ext/readline/readline.c         str = rb_str_dup_frozen(str);
rb_str_dup_frozen 1378 ext/readline/readline.c         str = rb_str_dup_frozen(str);
rb_str_dup_frozen 3797 file.c         		    rb_hash_aset(loopcheck, testpath, rb_str_dup_frozen(*resolvedp));
rb_str_dup_frozen 3802 file.c                             VALUE s = rb_str_dup_frozen(testpath);
rb_str_dup_frozen 3832 file.c             unresolved_path = rb_str_dup_frozen(path);
rb_str_dup_frozen 3836 file.c                 basedir = rb_str_dup_frozen(basedir);
rb_str_dup_frozen  742 include/ruby/intern.h VALUE rb_str_dup_frozen(VALUE);