UNIX Error Codes

This list was taken from <errno.h> on FreeBSD 7.1. It should be familiar for any POSIX system.

• EPERM
• ENOENT
• ESRCH
• EINTR
• EIO
• ENXIO
• E2BIG
• ENOEXEC
• EBADF
• ECHILD
• EDEADLK
• ENOMEM
• EACCES
• EFAULT
• ENOTBLK
• EBUSY
• EEXIST
• ENODEV
• ENOTDIR
• EISDIR
• EINVAL
• ENFILE
• EMFILE
• ENOTTY
• ETXTBSY
• EFBIG
• ENOSPC
• ESPIPE
• EMLINK
• EPIPE
• EDOM
• ERANGE
• EAGAIN
• EWOULDBLOCK
• EINPROGRESS
• EALREADY
• EDESTADDRREQ
• EMSGSIZE
• EPROTOTYPE
• ENOPROTOOPT
• EPROTONOSUPPORT
• ESOCKTNOSUPPORT
• EOPNOTSUPP
• ENOTSUP
• EPFNOSUPPORT
• EAFNOSUPPORT
• EADDRINUSE
• EADDRNOTAVAIL
• ENETDOWN
• ENETUNREACH
• ENETRESET
• ECONNABORTED
• ECONNRESET
• ENOBUFS
• EISCONN
• ENOTCONN
• ESHUTDOWN
• ETOOMANYREFS
• ETIMEDOUT
• ECONNREFUSED
• ELOOP
• ENAMETOOLONG
• EHOSTDOWN
• EHOSTUNREACH
• ENOTEMPTY
• EPROCLIM
• EUSERS
• EDQUOT
• ESTALE
• EREMOTE
• EBADRPC
• ERPCMISMATCH
• EPROGUNAVAIL
• EPROGMISMATCH
• EPROCUNAVAIL
• ENOLCK
• ENOSYS
• EFTYPE
• EAUTH
• ENEEDAUTH
• EIDRM
• ENOMSG
• EOVERFLOW
• ECANCELED
• EILSEQ
• ENOATTR
• EDOOFUS
• EBADMSG
• EMULTIHOP
• ENOLINK
• EPROTO
• ELAST