#include <errno.h>

`errno`

Interface status:

externallyDefinedApi

errno (*__errno())

Description

Represents the error value.

`EPERM`

Interface status:

externallyDefinedApi

EPERM 1

Description

Operation not permitted.

`ENOENT`

Interface status:

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ENOENT 2

Description

No such file or directory.

`ESRCH`

Interface status:

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ESRCH 3

Description

No such process.

`EINTR`

Interface status:

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EINTR 4

Description

Interrupted function.

`EIO`

Interface status:

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EIO 5

Description

I/O Error

`ENXIO`

Interface status:

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ENXIO 6

Description

No such device or address.

`E2BIG`

Interface status:

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E2BIG 7

Description

Defines that the argument list is too long.

`ENOEXEC`

Interface status:

externallyDefinedApi

ENOEXEC 8

Description

Executable file format error.

`EBADF`

Interface status:

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EBADF 9

Description

Bad file descriptor.

`ECHILD`

Interface status:

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ECHILD 10

Description

No child processes.

`EDEADLK`

Interface status:

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EDEADLK 11

Description

Resource deadlock would occur.

`ENOMEM`

Interface status:

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ENOMEM 12

Description

Not enough space.

`EACCES`

Interface status:

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EACCES 13

Description

Permission Denied

`EFAULT`

Interface status:

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EFAULT 14

Description

Bad address.

`ENOTBLK`

Interface status:

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ENOTBLK 15

Description

Block device required

`EBUSY`

Interface status:

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EBUSY 16

Description

Device or resource busy.

`EEXIST`

Interface status:

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EEXIST 17

Description

File exists.

`EXDEV`

Interface status:

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EXDEV 18

Description

Cross-device link.

`ENODEV`

Interface status:

externallyDefinedApi

ENODEV 19

Description

No such device.

`ENOTDIR`

Interface status:

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ENOTDIR 20

Description

Not a directory.

`EISDIR`

Interface status:

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EISDIR 21

Description

Is a directory.

`EINVAL`

Interface status:

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EINVAL 22

Description

Invalid argument.

`ENFILE`

Interface status:

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ENFILE 23

Description

Too many files open in system.

`EMFILE`

Interface status:

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EMFILE 24

Description

Too many open files.

`ENOTTY`

Interface status:

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ENOTTY 25

Description

Inappropriate I/O control operation.

`EFBIG`

Interface status:

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EFBIG 27

Description

File too large.

`ENOSPC`

Interface status:

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ENOSPC 28

Description

No space left on device

`ESPIPE`

Interface status:

externallyDefinedApi

ESPIPE 29

Description

Invalid seek.

`EROFS`

Interface status:

externallyDefinedApi

EROFS 30

Description

Read-only file system.

`EMLINK`

Interface status:

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EMLINK 31

Description

Too many links.

`EPIPE`

Interface status:

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EPIPE 32

Description

Broken pipe.

`EDOM`

Interface status:

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EDOM 33

Description

Mathematics argument out of domain of function.

`ERANGE`

Interface status:

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ERANGE 34

Description

Result too large.

`EAGAIN`

Interface status:

externallyDefinedApi

EAGAIN 35

Description

Resource unavailable, try again (may be the same value as [EWOULDBLOCK]).

`EWOULDBLOCK`

Interface status:

externallyDefinedApi

EWOULDBLOCK EAGAIN

Description

Operation would block (may be the same value as [EAGAIN]).

`EINPROGRESS`

Interface status:

externallyDefinedApi

EINPROGRESS 36

Description

Operation in progress.

`EALREADY`

Interface status:

externallyDefinedApi

EALREADY 37

Description

Connection already in progress.

`ENOTSOCK`

Interface status:

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ENOTSOCK 38

Description

Not a socket.

`EDESTADDRREQ`

Interface status:

externallyDefinedApi

EDESTADDRREQ 39

Description

Destination address required.

`EMSGSIZE`

Interface status:

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EMSGSIZE 40

Description

Message too large.

`EPROTOTYPE`

Interface status:

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EPROTOTYPE 41

Description

Protocol wrong type for socket.

`ENOPROTOOPT`

Interface status:

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ENOPROTOOPT 42

Description

Protocol not available.

`EPROTONOSUPPORT`

Interface status:

externallyDefinedApi

EPROTONOSUPPORT 43

Description

Protocol not supported.

`ESOCKTNOSUPPORT`

ESOCKTNOSUPPORT 44

Description

Socket not supported.

`EOPNOTSUPP`

Interface status:

externallyDefinedApi

EOPNOTSUPP 45

Description

Operation not supported on socket.

`ENOTSUP`

Interface status:

externallyDefinedApi

ENOTSUP EOPNOTSUPP

Description

Not supported.

`EPFNOSUPPORT`

EPFNOSUPPORT 46

Description

Protocol family not supported

`EAFNOSUPPORT`

Interface status:

externallyDefinedApi

EAFNOSUPPORT 47

Description

Address family not supported.

`EADDRINUSE`

Interface status:

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EADDRINUSE 48

Description

Address in use.

`EADDRNOTAVAIL`

Interface status:

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EADDRNOTAVAIL 49

Description

Address not available.

`ENETDOWN`

Interface status:

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ENETDOWN 50

Description

Network is down.

`ENETUNREACH`

Interface status:

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ENETUNREACH 51

Description

Network unreachable.

`ENETRESET`

Interface status:

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ENETRESET 52

Description

Connection aborted by network.

`ECONNABORTED`

Interface status:

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ECONNABORTED 53

Description

Connection aborted.

`ECONNRESET`

Interface status:

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ECONNRESET 54

Description

Connection reset.

`ENOBUFS`

Interface status:

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ENOBUFS 55

Description

No buffer space available.

`EISCONN`

Interface status:

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EISCONN 56

Description

Socket is connected.

`ENOTCONN`

Interface status:

externallyDefinedApi

ENOTCONN 57

Description

Socket is not connected

`ESHUTDOWN`

ESHUTDOWN 58

Description

Can't send after socket shutdown

`ETOOMANYREFS`

ETOOMANYREFS 59

Description

Too many references: can't splice

`ETIMEDOUT`

Interface status:

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ETIMEDOUT 60

Description

Connection timed out.

`ECONNREFUSED`

Interface status:

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ECONNREFUSED 61

Description

Connection refused.

`ELOOP`

Interface status:

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ELOOP 62

Description

Too many levels of symbolic links.

`ENAMETOOLONG`

Interface status:

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ENAMETOOLONG 63

Description

Filename too long.

`EHOSTDOWN`

EHOSTDOWN 64

Description

Host is down

`EHOSTUNREACH`

Interface status:

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EHOSTUNREACH 65

Description

Host is unreachable.

`ENOTEMPTY`

Interface status:

externallyDefinedApi

ENOTEMPTY 66

Description

Directory not empty

`EPROCLIM`

EPROCLIM 67

Description

Too many processes

`EUSERS`

EUSERS 68

Description

Too many users

`EDQUOT`

Interface status:

externallyDefinedApi

EDQUOT 69

Description

Reserved.

`EREMOTE`

EREMOTE 71

Description

Too many levels of remote in path

`EBADRPC`

EBADRPC 72

Description

RPC struct is bad

`ERPCMISMATCH`

ERPCMISMATCH 73

Description

RPC version wrong

`EPROGUNAVAIL`

EPROGUNAVAIL 74

Description

RPC prog. not avail

`EPROGMISMATCH`

Interface status:

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EPROGMISMATCH 75

Description

Program version wrong

`EPROCUNAVAIL`

EPROCUNAVAIL 76

Description

Bad procedure for program

`ENOLCK`

Interface status:

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ENOLCK 77

Description

No locks available

`ENOSYS`

Interface status:

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ENOSYS 78

Description

Function not implemented

`EFTYPE`

EFTYPE 79

Description

Inappropriate file type or format

`EAUTH`

Interface status:

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EAUTH 80

Description

Authentication error

`ENEEDAUTH`

ENEEDAUTH 81

Description

Need authenticator

`EIDRM`

Interface status:

externallyDefinedApi

EIDRM 82

Description

Identifier removed.

`ENOMSG`

Interface status:

externallyDefinedApi

ENOMSG 83

Description

No message of desired type

`EOVERFLOW`

Interface status:

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EOVERFLOW 84

Description

Value too large to be stored in data type

`ECANCELED`

Interface status:

externallyDefinedApi

ECANCELED 85

Description

Operation canceled

`EILSEQ`

Interface status:

externallyDefinedApi

EILSEQ 86

Description

Illegal byte sequence.

`ENOATTR`

ENOATTR 87

Description

Attribute not found

`EDOOFUS`

EDOOFUS 88

Description

Programming error

`EBADMSG`

Interface status:

externallyDefinedApi

EBADMSG 89

Description

Bad message

`EMULTIHOP`

Interface status:

externallyDefinedApi

EMULTIHOP 90

Description

Multihop attempted

`ENOLINK`

Interface status:

externallyDefinedApi

ENOLINK 91

Description

Link has been severed

`EPROTO`

Interface status:

externallyDefinedApi

EPROTO 92

Description

Protocol error

`ELAST`

Interface status:

externallyDefinedApi

ELAST __EMAXERRNO

Description

Must be equal to largest errno