ref: 83246e296ea433b65b9d295b5e08fedd39ff1ab7
dir: /os/pc/errstr.h/
char Enoerror[] = "no error"; char Emount[] = "inconsistent mount"; char Eunmount[] = "not mounted"; char Eunion[] = "not in union"; char Emountrpc[] = "mount rpc error"; char Eshutdown[] = "mounted device shut down"; char Enocreate[] = "mounted directory forbids creation"; char Enonexist[] = "file does not exist"; char Eexist[] = "file already exists"; char Ebadsharp[] = "unknown device in # filename"; char Enotdir[] = "not a directory"; char Eisdir[] = "file is a directory"; char Ebadchar[] = "bad character in file name"; char Efilename[] = "file name syntax"; char Eperm[] = "permission denied"; char Ebadusefd[] = "inappropriate use of fd"; char Ebadarg[] = "bad arg in system call"; char Einuse[] = "device or object already in use"; char Eio[] = "i/o error"; char Etoobig[] = "read or write too large"; char Etoosmall[] = "read or write too small"; char Enetaddr[] = "bad network address"; char Emsgsize[] = "message is too big for protocol"; char Enetbusy[] = "network device is busy or allocated"; char Enoproto[] = "network protocol not supported"; char Enoport[] = "network port not available"; char Enoifc[] = "bad interface or no free interface slots"; char Enolisten[] = "not announced"; char Ehungup[] = "i/o on hungup channel"; char Ebadctl[] = "bad process or channel control request"; char Enodev[] = "no free devices"; char Enoenv[] = "no free environment resources"; char Ethread[] = "thread exited"; char Estopped[] = "thread must be stopped"; char Enochild[] = "no living children"; char Eioload[] = "i/o error in demand load"; char Enovmem[] = "out of memory: virtual memory"; char Ebadld[] = "illegal line discipline"; char Ebadfd[] = "fd out of range or not open"; char Eisstream[] = "seek on a stream"; char Ebadexec[] = "exec header invalid"; char Etimedout[] = "connection timed out"; char Econrefused[] = "connection refused"; char Econinuse[] = "connection in use"; char Eintr[] = "interrupted"; char Eneedservice[] = "service required for tcp/udp/il calls"; char Enomem[] = "out of memory: kernel"; char Esfnotcached[] = "subfont not cached"; char Esoverlap[] = "segments overlap"; char Emouseset[] = "mouse type already set"; char Erecover[] = "failed to recover fd"; char Eshort[] = "i/o count too small"; char Enobitstore[] = "out of screen memory"; char Egreg[] = "jim'll fix it"; char Ebadspec[] = "bad attach specifier"; char Enoattach[] = "mount/attach disallowed"; char Eshortstat[] = "stat buffer too small"; char Enegoff[] = "negative i/o offset"; char Ecmdargs[] = "wrong #args in control message"; char Ebadstat[] = "malformed stat buffer"; char Enofd[] = "no free file descriptors";