EPERM => Operation not permitted
ENOENT => No such file or directory
ESRCH => No such process
EINTR => Interrupted system call
EIO => Input/output error
ENXIO => Device not configured
E2BIG => Argument list too long
ENOEXEC => Exec format error
EBADF => Bad file descriptor
ECHILD => No child processes
EDEADLK => Resource deadlock avoided
ENOMEM => Cannot allocate memory
EACCES => Permission denied
EFAULT => Bad address
ENOTBLK => Block device required
EBUSY => Device busy
EEXIST => File exists
EXDEV => Cross-device link
ENODEV => Operation not supported by device
ENOTDIR => Not a directory
EISDIR => Is a directory
EINVAL => Invalid argument
ENFILE => Too many open files in system
EMFILE => Too many open files
ENOTTY => Inappropriate ioctl for device
ETXTBSY => Text file busy
EFBIG => File too large
ENOSPC => No space left on device
ESPIPE => Illegal seek
EROFS => Read-only file system
EMLINK => Too many links
EPIPE => Broken pipe
EDOM => Numerical argument out of domain
ERANGE => Result too large
EAGAIN => Resource temporarily unavailable
EWOULDBLOCK => Operation would block
EINPROGRESS => Operation now in progress
EALREADY => Operation already in progress
ENOTSOCK => Socket operation on non-socket
EDESTADDRREQ => Destination address required
EMSGSIZE => Message too long
EPROTOTYPE => Protocol wrong type for socket
ENOPROTOOPT => Protocol not available
EPROTONOSUPPORT => Protocol not supported
ESOCKTNOSUPPORT => Socket type not supported
EOPNOTSUPP => Operation not supported
EPFNOSUPPORT => Protocol family not supported
EAFNOSUPPORT => Address family not supported by protocol family
EADDRINUSE => Address already in use
EADDRNOTAVAIL => Can't assign requested address
ENETDOWN => Network is down
ENETUNREACH => Network is unreachable
ENETRESET => Network dropped connection on reset
ECONNABORTED => Software caused connection abort
ECONNRESET => Connection reset by peer
ENOBUFS => No buffer space available
EISCONN => Socket is already connected
ENOTCONN => Socket is not connected
ESHUTDOWN => Can't send after socket shutdown
ETOOMANYREFS => Too many references: can't splice
ETIMEDOUT => Operation timed out
ECONNREFUSED => Connection refused
ELOOP => Too many levels of symbolic links
ENAMETOOLONG => File name too long
EHOSTDOWN => Host is down
EHOSTUNREACH => No route to host
ENOTEMPTY => Directory not empty
EPROCLIM => Too many processes
EUSERS => Too many users
EDQUOT => Disc quota exceeded
ESTALE => Stale NFS file handle
EREMOTE => Too many levels of remote in path
EBADRPC => RPC struct is bad
ERPCMISMATCH => RPC version wrong
EPROGUNAVAIL => RPC prog. not avail
EPROGMISMATCH => Program version wrong
EPROCUNAVAIL => Bad procedure for program
ENOLCK => No locks available
ENOSYS => Function not implemented
EFTYPE => Inappropriate file type or format
EAUTH => Authentication error
ENEEDAUTH => Need authenticator
EIDRM => Identifier removed
ENOMSG => No message of desired type
EOVERFLOW => Value too large to be stored in data type
ECANCELED => Operation canceled
EILSEQ => Illegal byte sequence
ELAST => Must be equal largest errno