rb_file_open_generic 5623 io.c return rb_file_open_generic(io, filename, rb_file_open_generic 6346 io.c rb_file_open_generic(io, fname, oflags, fmode, &convconfig, perm); rb_file_open_generic 6611 io.c return rb_file_open_generic(io_alloc(rb_cFile), filename,