| E2BIG | (** Argument list too long *) |
| EACCES | (** Permission denied *) |
| EAGAIN | (** Resource temporarily unavailable; try again *) |
| EBADF | (** Bad file descriptor *) |
| EBUSY | (** Resource unavailable *) |
| ECHILD | (** No child process *) |
| EDEADLK | (** Resource deadlock would occur *) |
| EDOM | (** Domain error for math functions, etc. *) |
| EEXIST | (** File exists *) |
| EFAULT | (** Bad address *) |
| EFBIG | (** File too large *) |
| EINTR | (** Function interrupted by signal *) |
| EINVAL | (** Invalid argument *) |
| EIO | (** Hardware I/O error *) |
| EISDIR | (** Is a directory *) |
| EMFILE | (** Too many open files by the process *) |
| EMLINK | (** Too many links *) |
| ENAMETOOLONG | (** Filename too long *) |
| ENFILE | (** Too many open files in the system *) |
| ENODEV | (** No such device *) |
| ENOENT | (** No such file or directory *) |
| ENOEXEC | (** Not an executable file *) |
| ENOLCK | (** No locks available *) |
| ENOMEM | (** Not enough memory *) |
| ENOSPC | (** No space left on device *) |
| ENOSYS | (** Function not supported *) |
| ENOTDIR | (** Not a directory *) |
| ENOTEMPTY | (** Directory not empty *) |
| ENOTTY | (** Inappropriate I/O control operation *) |
| ENXIO | (** No such device or address *) |
| EPERM | (** Operation not permitted *) |
| EPIPE | (** Broken pipe *) |
| ERANGE | (** Result too large *) |
| EROFS | (** Read-only file system *) |
| ESPIPE | (** Invalid seek e.g. on a pipe *) |
| ESRCH | (** No such process *) |
| EXDEV | (** Invalid link *) |
| 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 on socket *) |
| 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 | (** Connection timed out *) |
| ECONNREFUSED | (** Connection refused *) |
| EHOSTDOWN | (** Host is down *) |
| EHOSTUNREACH | (** No route to host *) |
| ELOOP | (** Too many levels of symbolic links *) |
| EOVERFLOW | (** File size or position not representable *) |
| EUNKNOWNERR of int | (** Unknown error *) |