rb_gzreader_gets  215 ext/zlib/zlib.c static VALUE rb_gzreader_gets(int, VALUE*, VALUE);
rb_gzreader_gets 4200 ext/zlib/zlib.c     dst = rb_gzreader_gets(argc, argv, obj);
rb_gzreader_gets 4528 ext/zlib/zlib.c     rb_define_method(cGzipReader, "gets", rb_gzreader_gets, -1);