argf_block_call  11497 io.c           	argf_block_call(rb_intern("each_line"), argc, argv, argf);
argf_block_call  11544 io.c           	argf_block_call(rb_intern("each_byte"), 0, 0, argf);
argf_block_call  11583 io.c           	argf_block_call(rb_intern("each_char"), 0, 0, argf);
argf_block_call  11622 io.c           	argf_block_call(rb_intern("each_codepoint"), 0, 0, argf);