ref: c28f07b5840216c4e83e1d3b21d8a9ed7c41f8f9
dir: /sys/src/cmd/sam/errors.h/
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;