extern Lisp_Object Qbig5, Qbuffer_file_coding_system, Qccl, Qcharset_g0;
extern Lisp_Object Qcharset_g1, Qcharset_g2, Qcharset_g3, Qcoding_system_error;
extern Lisp_Object Qcoding_system_p, Qcr, Qcrlf, Qctext, Qdecode, Qencode;
extern Lisp_Object Qbig5, Qbuffer_file_coding_system, Qccl, Qcharset_g0;
extern Lisp_Object Qcharset_g1, Qcharset_g2, Qcharset_g3, Qcoding_system_error;
extern Lisp_Object Qcoding_system_p, Qcr, Qcrlf, Qctext, Qdecode, Qencode;