rb_iseqw_line_trace_each 2267 iseq.c rb_iseqw_line_trace_each(iseqw, collect_trace, (void *)result); rb_iseqw_line_trace_each 2326 iseq.c rb_iseqw_line_trace_each(iseqval, line_trace_specify, (void *)&data); rb_iseqw_line_trace_each 109 iseq.h int rb_iseqw_line_trace_each(VALUE iseqval, int (*func)(int line, rb_event_flag_t *events_ptr, void *d), void *data);