rb_gv_get 161 ext/syslog/syslog.c ident = rb_gv_get("$0"); rb_gv_get 3521 ext/tk/tcltklib.c receiver = rb_gv_get(str); rb_gv_get 3533 ext/tk/tcltklib.c receiver = rb_gv_get(buf); rb_gv_get 1779 include/ruby/ruby.h VALUE rb_gv_get(const char*);