typedef enum Err{	/* error_s */	Eopen,	Ecreate,	Emenu,	Emodified,	Eio,	Ewseq,	/* error_c */	Eunk,	Emissop,	Edelim,	/* error */	Efork,	Eintr,	Eaddress,	Esearch,	Epattern,	Enewline,	Eblank,	Enopattern,	EnestXY,	Enolbrace,	Enoaddr,	Eoverlap,	Enosub,	Elongrhs,	Ebadrhs,	Erange,	Esequence,	Eorder,	Enoname,	Eleftpar,	Erightpar,	Ebadclass,	Ebadregexp,	Eoverflow,	Enocmd,	Epipe,	Enofile,	Etoolong,	Echanges,	Eempty,	Efsearch,	Emanyfiles,	Elongtag,	Esubexp,	Etmpovfl,	Eappend,	Ecantplumb,	Ebufload,}Err;typedef enum Warn{	/* warn_s */	Wdupname,	Wfile,	Wdate,	/* warn_ss */	Wdupfile,	/* warn */	Wnulls,	Wpwd,	Wnotnewline,	Wbadstatus,}Warn;