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